diff --git a/package-lock.json b/package-lock.json
index 85a7f20de0..fa4d003d99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7516,7 +7516,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       },
       "bin": {
         "playwright": "cli.js"
@@ -7530,7 +7530,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       },
       "bin": {
         "playwright": "cli.js"
@@ -7543,22 +7543,22 @@
       "version": "1.19.0-next",
       "license": "Apache-2.0",
       "dependencies": {
-        "commander": "^8.3.0",
-        "debug": "^4.3.3",
-        "extract-zip": "^2.0.1",
-        "https-proxy-agent": "^5.0.0",
-        "jpeg-js": "^0.4.3",
-        "mime": "^3.0.0",
-        "pngjs": "^6.0.0",
-        "progress": "^2.0.3",
-        "proper-lockfile": "^4.1.2",
-        "proxy-from-env": "^1.1.0",
-        "rimraf": "^3.0.2",
-        "socks-proxy-agent": "^6.1.1",
-        "stack-utils": "^2.0.5",
-        "ws": "^8.4.2",
-        "yauzl": "^2.10.0",
-        "yazl": "^2.5.1"
+        "commander": "8.3.0",
+        "debug": "4.3.3",
+        "extract-zip": "2.0.1",
+        "https-proxy-agent": "5.0.0",
+        "jpeg-js": "0.4.3",
+        "mime": "3.0.0",
+        "pngjs": "6.0.0",
+        "progress": "2.0.3",
+        "proper-lockfile": "4.1.2",
+        "proxy-from-env": "1.1.0",
+        "rimraf": "3.0.2",
+        "socks-proxy-agent": "6.1.1",
+        "stack-utils": "2.0.5",
+        "ws": "8.4.2",
+        "yauzl": "2.10.0",
+        "yazl": "2.5.1"
       },
       "bin": {
         "playwright": "cli.js"
@@ -7580,7 +7580,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       },
       "bin": {
         "playwright": "cli.js"
@@ -7594,44 +7594,44 @@
       "version": "1.19.0-next",
       "license": "Apache-2.0",
       "dependencies": {
-        "@babel/code-frame": "^7.16.7",
-        "@babel/core": "^7.16.12",
-        "@babel/plugin-proposal-class-properties": "^7.16.7",
-        "@babel/plugin-proposal-dynamic-import": "^7.16.7",
-        "@babel/plugin-proposal-export-namespace-from": "^7.16.7",
-        "@babel/plugin-proposal-logical-assignment-operators": "^7.16.7",
-        "@babel/plugin-proposal-nullish-coalescing-operator": "^7.16.7",
-        "@babel/plugin-proposal-numeric-separator": "^7.16.7",
-        "@babel/plugin-proposal-optional-chaining": "^7.16.7",
-        "@babel/plugin-proposal-private-methods": "^7.16.11",
-        "@babel/plugin-proposal-private-property-in-object": "^7.16.7",
-        "@babel/plugin-syntax-async-generators": "^7.8.4",
-        "@babel/plugin-syntax-json-strings": "^7.8.3",
-        "@babel/plugin-syntax-object-rest-spread": "^7.8.3",
-        "@babel/plugin-syntax-optional-catch-binding": "^7.8.3",
-        "@babel/plugin-transform-modules-commonjs": "^7.16.8",
-        "@babel/plugin-transform-react-jsx": "^7.16.7",
-        "@babel/preset-typescript": "^7.16.7",
-        "babel-plugin-module-resolver": "^4.1.0",
+        "@babel/code-frame": "7.16.7",
+        "@babel/core": "7.16.12",
+        "@babel/plugin-proposal-class-properties": "7.16.7",
+        "@babel/plugin-proposal-dynamic-import": "7.16.7",
+        "@babel/plugin-proposal-export-namespace-from": "7.16.7",
+        "@babel/plugin-proposal-logical-assignment-operators": "7.16.7",
+        "@babel/plugin-proposal-nullish-coalescing-operator": "7.16.7",
+        "@babel/plugin-proposal-numeric-separator": "7.16.7",
+        "@babel/plugin-proposal-optional-chaining": "7.16.7",
+        "@babel/plugin-proposal-private-methods": "7.16.11",
+        "@babel/plugin-proposal-private-property-in-object": "7.16.7",
+        "@babel/plugin-syntax-async-generators": "7.8.4",
+        "@babel/plugin-syntax-json-strings": "7.8.3",
+        "@babel/plugin-syntax-object-rest-spread": "7.8.3",
+        "@babel/plugin-syntax-optional-catch-binding": "7.8.3",
+        "@babel/plugin-transform-modules-commonjs": "7.16.8",
+        "@babel/plugin-transform-react-jsx": "7.16.7",
+        "@babel/preset-typescript": "7.16.7",
+        "babel-plugin-module-resolver": "4.1.0",
         "colors": "1.4.0",
-        "commander": "^8.3.0",
-        "debug": "^4.3.3",
-        "expect": "=27.2.5",
-        "jest-matcher-utils": "=27.2.5",
-        "jpeg-js": "^0.4.3",
-        "json5": "^2.2.0",
-        "mime": "^3.0.0",
-        "minimatch": "^3.0.4",
-        "ms": "^2.1.3",
-        "open": "^8.4.0",
-        "pirates": "=4.0.4",
-        "pixelmatch": "^5.2.1",
-        "playwright-core": "=1.19.0-next",
-        "pngjs": "^6.0.0",
-        "rimraf": "^3.0.2",
-        "source-map-support": "^0.5.21",
-        "stack-utils": "^2.0.5",
-        "yazl": "^2.5.1"
+        "commander": "8.3.0",
+        "debug": "4.3.3",
+        "expect": "27.2.5",
+        "jest-matcher-utils": "27.2.5",
+        "jpeg-js": "0.4.3",
+        "json5": "2.2.0",
+        "mime": "3.0.0",
+        "minimatch": "3.0.4",
+        "ms": "2.1.3",
+        "open": "8.4.0",
+        "pirates": "4.0.4",
+        "pixelmatch": "5.2.1",
+        "playwright-core": "1.19.0-next",
+        "pngjs": "6.0.0",
+        "rimraf": "3.0.2",
+        "source-map-support": "0.5.21",
+        "stack-utils": "2.0.5",
+        "yazl": "2.5.1"
       },
       "bin": {
         "playwright": "cli.js"
@@ -7666,7 +7666,7 @@
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       },
       "bin": {
         "playwright": "cli.js"
@@ -8403,44 +8403,44 @@
     "@playwright/test": {
       "version": "file:packages/playwright-test",
       "requires": {
-        "@babel/code-frame": "^7.16.7",
-        "@babel/core": "^7.16.12",
-        "@babel/plugin-proposal-class-properties": "^7.16.7",
-        "@babel/plugin-proposal-dynamic-import": "^7.16.7",
-        "@babel/plugin-proposal-export-namespace-from": "^7.16.7",
-        "@babel/plugin-proposal-logical-assignment-operators": "^7.16.7",
-        "@babel/plugin-proposal-nullish-coalescing-operator": "^7.16.7",
-        "@babel/plugin-proposal-numeric-separator": "^7.16.7",
-        "@babel/plugin-proposal-optional-chaining": "^7.16.7",
-        "@babel/plugin-proposal-private-methods": "^7.16.11",
-        "@babel/plugin-proposal-private-property-in-object": "^7.16.7",
-        "@babel/plugin-syntax-async-generators": "^7.8.4",
-        "@babel/plugin-syntax-json-strings": "^7.8.3",
-        "@babel/plugin-syntax-object-rest-spread": "^7.8.3",
-        "@babel/plugin-syntax-optional-catch-binding": "^7.8.3",
-        "@babel/plugin-transform-modules-commonjs": "^7.16.8",
-        "@babel/plugin-transform-react-jsx": "^7.16.7",
-        "@babel/preset-typescript": "^7.16.7",
-        "babel-plugin-module-resolver": "^4.1.0",
+        "@babel/code-frame": "7.16.7",
+        "@babel/core": "7.16.12",
+        "@babel/plugin-proposal-class-properties": "7.16.7",
+        "@babel/plugin-proposal-dynamic-import": "7.16.7",
+        "@babel/plugin-proposal-export-namespace-from": "7.16.7",
+        "@babel/plugin-proposal-logical-assignment-operators": "7.16.7",
+        "@babel/plugin-proposal-nullish-coalescing-operator": "7.16.7",
+        "@babel/plugin-proposal-numeric-separator": "7.16.7",
+        "@babel/plugin-proposal-optional-chaining": "7.16.7",
+        "@babel/plugin-proposal-private-methods": "7.16.11",
+        "@babel/plugin-proposal-private-property-in-object": "7.16.7",
+        "@babel/plugin-syntax-async-generators": "7.8.4",
+        "@babel/plugin-syntax-json-strings": "7.8.3",
+        "@babel/plugin-syntax-object-rest-spread": "7.8.3",
+        "@babel/plugin-syntax-optional-catch-binding": "7.8.3",
+        "@babel/plugin-transform-modules-commonjs": "7.16.8",
+        "@babel/plugin-transform-react-jsx": "7.16.7",
+        "@babel/preset-typescript": "7.16.7",
+        "babel-plugin-module-resolver": "4.1.0",
         "colors": "1.4.0",
-        "commander": "^8.3.0",
-        "debug": "^4.3.3",
-        "expect": "=27.2.5",
-        "jest-matcher-utils": "=27.2.5",
-        "jpeg-js": "^0.4.3",
-        "json5": "^2.2.0",
-        "mime": "^3.0.0",
-        "minimatch": "^3.0.4",
-        "ms": "^2.1.3",
-        "open": "^8.4.0",
-        "pirates": "=4.0.4",
-        "pixelmatch": "^5.2.1",
-        "playwright-core": "=1.19.0-next",
-        "pngjs": "^6.0.0",
-        "rimraf": "^3.0.2",
-        "source-map-support": "^0.5.21",
-        "stack-utils": "^2.0.5",
-        "yazl": "^2.5.1"
+        "commander": "8.3.0",
+        "debug": "4.3.3",
+        "expect": "27.2.5",
+        "jest-matcher-utils": "27.2.5",
+        "jpeg-js": "0.4.3",
+        "json5": "2.2.0",
+        "mime": "3.0.0",
+        "minimatch": "3.0.4",
+        "ms": "2.1.3",
+        "open": "8.4.0",
+        "pirates": "4.0.4",
+        "pixelmatch": "5.2.1",
+        "playwright-core": "1.19.0-next",
+        "pngjs": "6.0.0",
+        "rimraf": "3.0.2",
+        "source-map-support": "0.5.21",
+        "stack-utils": "2.0.5",
+        "yazl": "2.5.1"
       },
       "dependencies": {
         "commander": {
@@ -12100,34 +12100,34 @@
     "playwright": {
       "version": "file:packages/playwright",
       "requires": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       }
     },
     "playwright-chromium": {
       "version": "file:packages/playwright-chromium",
       "requires": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       }
     },
     "playwright-core": {
       "version": "file:packages/playwright-core",
       "requires": {
-        "commander": "^8.3.0",
-        "debug": "^4.3.3",
-        "extract-zip": "^2.0.1",
-        "https-proxy-agent": "^5.0.0",
-        "jpeg-js": "^0.4.3",
-        "mime": "^3.0.0",
-        "pngjs": "^6.0.0",
-        "progress": "^2.0.3",
-        "proper-lockfile": "^4.1.2",
-        "proxy-from-env": "^1.1.0",
-        "rimraf": "^3.0.2",
-        "socks-proxy-agent": "^6.1.1",
-        "stack-utils": "^2.0.5",
-        "ws": "^8.4.2",
-        "yauzl": "^2.10.0",
-        "yazl": "^2.5.1"
+        "commander": "8.3.0",
+        "debug": "4.3.3",
+        "extract-zip": "2.0.1",
+        "https-proxy-agent": "5.0.0",
+        "jpeg-js": "0.4.3",
+        "mime": "3.0.0",
+        "pngjs": "6.0.0",
+        "progress": "2.0.3",
+        "proper-lockfile": "4.1.2",
+        "proxy-from-env": "1.1.0",
+        "rimraf": "3.0.2",
+        "socks-proxy-agent": "6.1.1",
+        "stack-utils": "2.0.5",
+        "ws": "8.4.2",
+        "yauzl": "2.10.0",
+        "yazl": "2.5.1"
       },
       "dependencies": {
         "commander": {
@@ -12140,13 +12140,13 @@
     "playwright-firefox": {
       "version": "file:packages/playwright-firefox",
       "requires": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       }
     },
     "playwright-webkit": {
       "version": "file:packages/playwright-webkit",
       "requires": {
-        "playwright-core": "=1.19.0-next"
+        "playwright-core": "1.19.0-next"
       }
     },
     "pngjs": {
diff --git a/packages/playwright-chromium/package.json b/packages/playwright-chromium/package.json
index 5328ce1e68..1d826b8a17 100644
--- a/packages/playwright-chromium/package.json
+++ b/packages/playwright-chromium/package.json
@@ -26,6 +26,6 @@
     "install": "node install.js"
   },
   "dependencies": {
-    "playwright-core": "=1.19.0-next"
+    "playwright-core": "1.19.0-next"
   }
 }
diff --git a/packages/playwright-core/package.json b/packages/playwright-core/package.json
index cd96911c1d..83c640e46e 100644
--- a/packages/playwright-core/package.json
+++ b/packages/playwright-core/package.json
@@ -37,21 +37,21 @@
     "playwright": "./cli.js"
   },
   "dependencies": {
-    "commander": "^8.3.0",
-    "debug": "^4.3.3",
-    "extract-zip": "^2.0.1",
-    "https-proxy-agent": "^5.0.0",
-    "jpeg-js": "^0.4.3",
-    "mime": "^3.0.0",
-    "pngjs": "^6.0.0",
-    "progress": "^2.0.3",
-    "proper-lockfile": "^4.1.2",
-    "proxy-from-env": "^1.1.0",
-    "rimraf": "^3.0.2",
-    "socks-proxy-agent": "^6.1.1",
-    "stack-utils": "^2.0.5",
-    "ws": "^8.4.2",
-    "yauzl": "^2.10.0",
-    "yazl": "^2.5.1"
+    "commander": "8.3.0",
+    "debug": "4.3.3",
+    "extract-zip": "2.0.1",
+    "https-proxy-agent": "5.0.0",
+    "jpeg-js": "0.4.3",
+    "mime": "3.0.0",
+    "pngjs": "6.0.0",
+    "progress": "2.0.3",
+    "proper-lockfile": "4.1.2",
+    "proxy-from-env": "1.1.0",
+    "rimraf": "3.0.2",
+    "socks-proxy-agent": "6.1.1",
+    "stack-utils": "2.0.5",
+    "ws": "8.4.2",
+    "yauzl": "2.10.0",
+    "yazl": "2.5.1"
   }
 }
diff --git a/packages/playwright-core/src/grid/gridAgent.ts b/packages/playwright-core/src/grid/gridAgent.ts
index 998bf9f0f4..7bce0f3e45 100644
--- a/packages/playwright-core/src/grid/gridAgent.ts
+++ b/packages/playwright-core/src/grid/gridAgent.ts
@@ -20,12 +20,12 @@ import { fork } from 'child_process';
 import { getPlaywrightVersion } from '../utils/utils';
 
 export function launchGridAgent(agentId: string, gridURL: string) {
-  const log = debug(`[agent ${agentId}]`);
+  const log = debug(`pw:grid:agent:${agentId}`);
   log('created');
   const params = new URLSearchParams();
   params.set('pwVersion', getPlaywrightVersion(true /* majorMinorOnly */));
   params.set('agentId', agentId);
-  const ws = new WebSocket(gridURL + `/registerAgent?` + params.toString());
+  const ws = new WebSocket(gridURL.replace('http://', 'ws://') + `/registerAgent?` + params.toString());
   ws.on('message', (workerId: string) => {
     log('Worker requested ' + workerId);
     fork(require.resolve('./gridWorker.js'), [gridURL, agentId, workerId], { detached: true });
diff --git a/packages/playwright-core/src/grid/gridServer.ts b/packages/playwright-core/src/grid/gridServer.ts
index 41e03a7445..e9f212de70 100644
--- a/packages/playwright-core/src/grid/gridServer.ts
+++ b/packages/playwright-core/src/grid/gridServer.ts
@@ -65,7 +65,7 @@ class GridWorker extends EventEmitter {
 
   constructor(clientSocket: WebSocket) {
     super();
-    this._log = debug(`[worker ${this.workerId}]`);
+    this._log = debug(`pw:grid:worker${this.workerId}`);
     this._clientSocket = clientSocket;
     clientSocket.on('close', (code: number, reason: string) => this.closeWorker(WSErrors.NO_ERROR));
     clientSocket.on('error', (error: Error) => this.closeWorker(WSErrors.CLIENT_SOCKET_ERROR));
@@ -110,7 +110,7 @@ class GridAgent extends EventEmitter {
   constructor(capacity = Infinity, creationTimeout = 5 * 60000, retireTimeout = 30000) {
     super();
     this._capacity = capacity;
-    this._log = debug(`[agent ${this.agentId}]`);
+    this._log = debug(`pw:grid:agent${this.agentId}`);
     this.setStatus('created');
     this._retireTimeout = retireTimeout;
     this._agentCreationTimeoutId = setTimeout(() => {
@@ -196,7 +196,7 @@ export class GridServer {
   private _pwVersion: string;
 
   constructor(factory: GridFactory, authToken: string = '') {
-    this._log = debug(`[grid]`);
+    this._log = debug(`pw:grid:server`);
     this._authToken = authToken || '';
     this._server = new HttpServer();
     this._factory = factory;
diff --git a/packages/playwright-core/src/grid/gridWorker.ts b/packages/playwright-core/src/grid/gridWorker.ts
index 21ac465918..5ddf6eb6fc 100644
--- a/packages/playwright-core/src/grid/gridWorker.ts
+++ b/packages/playwright-core/src/grid/gridWorker.ts
@@ -22,9 +22,9 @@ import { createPlaywright } from '../server/playwright';
 import { gracefullyCloseAll } from '../utils/processLauncher';
 
 function launchGridWorker(gridURL: string, agentId: string, workerId: string) {
-  const log = debug(`[worker ${workerId}]`);
+  const log = debug(`pw:grid:worker${workerId}`);
   log('created');
-  const ws = new WebSocket(gridURL + `/registerWorker?agentId=${agentId}&workerId=${workerId}`);
+  const ws = new WebSocket(gridURL.replace('http://', 'ws://') + `/registerWorker?agentId=${agentId}&workerId=${workerId}`);
   const dispatcherConnection = new DispatcherConnection();
   dispatcherConnection.onmessage = message => ws.send(JSON.stringify(message));
   ws.once('open', () => {
diff --git a/packages/playwright-firefox/package.json b/packages/playwright-firefox/package.json
index ffbab4ed12..0c050f1cf9 100644
--- a/packages/playwright-firefox/package.json
+++ b/packages/playwright-firefox/package.json
@@ -26,6 +26,6 @@
     "install": "node install.js"
   },
   "dependencies": {
-    "playwright-core": "=1.19.0-next"
+    "playwright-core": "1.19.0-next"
   }
 }
diff --git a/packages/playwright-test/package.json b/packages/playwright-test/package.json
index 73888bb5c4..bcdacec143 100644
--- a/packages/playwright-test/package.json
+++ b/packages/playwright-test/package.json
@@ -27,43 +27,43 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@babel/code-frame": "^7.16.7",
-    "@babel/core": "^7.16.12",
-    "@babel/plugin-proposal-class-properties": "^7.16.7",
-    "@babel/plugin-proposal-dynamic-import": "^7.16.7",
-    "@babel/plugin-proposal-export-namespace-from": "^7.16.7",
-    "@babel/plugin-proposal-logical-assignment-operators": "^7.16.7",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.16.7",
-    "@babel/plugin-proposal-numeric-separator": "^7.16.7",
-    "@babel/plugin-proposal-optional-chaining": "^7.16.7",
-    "@babel/plugin-proposal-private-methods": "^7.16.11",
-    "@babel/plugin-proposal-private-property-in-object": "^7.16.7",
-    "@babel/plugin-syntax-async-generators": "^7.8.4",
-    "@babel/plugin-syntax-json-strings": "^7.8.3",
-    "@babel/plugin-syntax-object-rest-spread": "^7.8.3",
-    "@babel/plugin-syntax-optional-catch-binding": "^7.8.3",
-    "@babel/plugin-transform-modules-commonjs": "^7.16.8",
-    "@babel/plugin-transform-react-jsx": "^7.16.7",
-    "@babel/preset-typescript": "^7.16.7",
-    "babel-plugin-module-resolver": "^4.1.0",
+    "@babel/code-frame": "7.16.7",
+    "@babel/core": "7.16.12",
+    "@babel/plugin-proposal-class-properties": "7.16.7",
+    "@babel/plugin-proposal-dynamic-import": "7.16.7",
+    "@babel/plugin-proposal-export-namespace-from": "7.16.7",
+    "@babel/plugin-proposal-logical-assignment-operators": "7.16.7",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.16.7",
+    "@babel/plugin-proposal-numeric-separator": "7.16.7",
+    "@babel/plugin-proposal-optional-chaining": "7.16.7",
+    "@babel/plugin-proposal-private-methods": "7.16.11",
+    "@babel/plugin-proposal-private-property-in-object": "7.16.7",
+    "@babel/plugin-syntax-async-generators": "7.8.4",
+    "@babel/plugin-syntax-json-strings": "7.8.3",
+    "@babel/plugin-syntax-object-rest-spread": "7.8.3",
+    "@babel/plugin-syntax-optional-catch-binding": "7.8.3",
+    "@babel/plugin-transform-modules-commonjs": "7.16.8",
+    "@babel/plugin-transform-react-jsx": "7.16.7",
+    "@babel/preset-typescript": "7.16.7",
+    "babel-plugin-module-resolver": "4.1.0",
     "colors": "1.4.0",
-    "commander": "^8.3.0",
-    "debug": "^4.3.3",
-    "expect": "=27.2.5",
-    "jest-matcher-utils": "=27.2.5",
-    "jpeg-js": "^0.4.3",
-    "json5": "^2.2.0",
-    "mime": "^3.0.0",
-    "minimatch": "^3.0.4",
-    "ms": "^2.1.3",
-    "open": "^8.4.0",
-    "pirates": "=4.0.4",
-    "pixelmatch": "^5.2.1",
-    "playwright-core": "=1.19.0-next",
-    "pngjs": "^6.0.0",
-    "rimraf": "^3.0.2",
-    "source-map-support": "^0.5.21",
-    "stack-utils": "^2.0.5",
-    "yazl": "^2.5.1"
+    "commander": "8.3.0",
+    "debug": "4.3.3",
+    "expect": "27.2.5",
+    "jest-matcher-utils": "27.2.5",
+    "jpeg-js": "0.4.3",
+    "json5": "2.2.0",
+    "mime": "3.0.0",
+    "minimatch": "3.0.4",
+    "ms": "2.1.3",
+    "open": "8.4.0",
+    "pirates": "4.0.4",
+    "pixelmatch": "5.2.1",
+    "playwright-core": "1.19.0-next",
+    "pngjs": "6.0.0",
+    "rimraf": "3.0.2",
+    "source-map-support": "0.5.21",
+    "stack-utils": "2.0.5",
+    "yazl": "2.5.1"
   }
 }
diff --git a/packages/playwright-webkit/package.json b/packages/playwright-webkit/package.json
index 7b2b4b850d..813e46cc54 100644
--- a/packages/playwright-webkit/package.json
+++ b/packages/playwright-webkit/package.json
@@ -25,6 +25,6 @@
     "install": "node install.js"
   },
   "dependencies": {
-    "playwright-core": "=1.19.0-next"
+    "playwright-core": "1.19.0-next"
   }
 }
diff --git a/packages/playwright/package.json b/packages/playwright/package.json
index c822b9543c..3623f4b1ad 100644
--- a/packages/playwright/package.json
+++ b/packages/playwright/package.json
@@ -26,6 +26,6 @@
     "install": "node install.js"
   },
   "dependencies": {
-    "playwright-core": "=1.19.0-next"
+    "playwright-core": "1.19.0-next"
   }
 }
diff --git a/tests/config/testMode.ts b/tests/config/testMode.ts
index 6f470cbc6a..9b00ec3c34 100644
--- a/tests/config/testMode.ts
+++ b/tests/config/testMode.ts
@@ -44,12 +44,12 @@ export class ServiceTestMode implements TestMode {
   private _gridClient: GridClient;
 
   async setup() {
-    this._gridClient = await GridClient.connect('http://localhost:3333');
+    this._gridClient = await GridClient.connect('ws://localhost:3333');
     return this._gridClient.playwright();
   }
 
   async teardown() {
-    await this._gridClient.close();
+    this._gridClient.close();
   }
 }
 
diff --git a/utils/bump_package_versions.js b/utils/bump_package_versions.js
index 0619491962..3ccf2bac99 100755
--- a/utils/bump_package_versions.js
+++ b/utils/bump_package_versions.js
@@ -54,7 +54,7 @@ const { packages, packagesToPublish } = require('./list_packages.js');
       if (publicPackages.has(package))
         playwrightCorePackages.version = version;
       if (playwrightCorePackages.dependencies && playwrightCorePackages.dependencies['playwright-core'])
-        packageLock['packages']['packages/playwright-test']['dependencies']['playwright-core'] = '=' + version;
+        packageLock['packages']['packages/playwright-test']['dependencies']['playwright-core'] = version;
     }
     fs.writeFileSync(packageLockPath, JSON.stringify(packageLock, null, 2) + '\n');
   }
diff --git a/utils/prepare_packages.js b/utils/prepare_packages.js
index 5e90c84a2c..a6072050ad 100644
--- a/utils/prepare_packages.js
+++ b/utils/prepare_packages.js
@@ -105,7 +105,7 @@ async function lintPackage(packageName) {
   currentPackageJSON.license = pwInternalJSON.license;
   for (const name of Object.keys(currentPackageJSON.dependencies || {})) {
     if (name in PACKAGES)
-      currentPackageJSON.dependencies[name] = `=${pwInternalJSON.version}`;
+      currentPackageJSON.dependencies[name] = pwInternalJSON.version;
   }
   await writeToPackage('package.json', JSON.stringify(currentPackageJSON, null, 2) + '\n');