diff --git a/setup.cfg b/setup.cfg
index d3b7cfd45..6effb56db 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -75,9 +75,6 @@ install_requires =
     # pip unfortunately backtracks into the databind direction ultimately getting lost.
     azure-core<1.23
 
-    # TEMPORARY!!!
-    azure-core<1.23.0
-
     # Preprocessing
     more_itertools  # for windowing
     python-docx
@@ -99,6 +96,9 @@ install_requires =
     elasticsearch>=7.7,<=7.10
     elastic-apm
 
+    # Schema validation
+    jsonschema
+
     # Not found in repo, to review:
     #uvloop==0.14; sys_platform != 'win32' and sys_platform != 'cygwin'