diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 962b7b11c..6be359482 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -193,10 +193,12 @@ jobs:
     runs-on: ${{ matrix.os }}
     services:
       elasticsearch:
-        image: elasticsearch:7.17.6
+        image: elasticsearch:8.7.1
         env:
           discovery.type: "single-node"
+          xpack.security.enabled: "false"
           ES_JAVA_OPTS: "-Xms128m -Xmx256m"
+          ELASTIC_CLIENT_APIVERSIONING: 1
         ports:
           - 9200:9200
     steps:
diff --git a/test/nodes/test_generator.py b/test/nodes/test_generator.py
index fef3568e0..aabc19151 100644
--- a/test/nodes/test_generator.py
+++ b/test/nodes/test_generator.py
@@ -33,6 +33,7 @@ def test_rag_deprecation():
             pass
 
 
+@pytest.mark.skipif(sys.platform in ["win32", "cygwin"], reason="Causes OOM on windows github runner")
 @pytest.mark.integration
 @pytest.mark.generator
 def test_rag_token_generator(rag_generator, docs_with_true_emb):
@@ -43,6 +44,7 @@ def test_rag_token_generator(rag_generator, docs_with_true_emb):
     assert "berlin" in answers[0].answer
 
 
+@pytest.mark.skipif(sys.platform in ["win32", "cygwin"], reason="Causes OOM on windows github runner")
 @pytest.mark.integration
 @pytest.mark.generator
 @pytest.mark.parametrize("document_store", ["memory"], indirect=True)
@@ -82,6 +84,7 @@ def test_lfqa_pipeline(document_store, retriever, lfqa_generator, docs_with_true
     assert "Germany" in answers[0].answer, answers[0].answer
 
 
+@pytest.mark.skipif(sys.platform in ["win32", "cygwin"], reason="Causes OOM on windows github runner")
 @pytest.mark.integration
 @pytest.mark.generator
 @pytest.mark.parametrize("document_store", ["memory"], indirect=True)