diff --git a/tox.ini b/tox.ini
index 600929a6ec..7c8daa4fe5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -389,7 +389,8 @@ allowlist_externals =
 setenv =
   ; override CORE_REPO_SHA via env variable when testing other branches/commits than main
   ; i.e: CORE_REPO_SHA=dde62cebffe519c35875af6d06fae053b3be65ec tox -e <env to test>
-  CORE_REPO_SHA={env:CORE_REPO_SHA:main}
+  ; CORE_REPO_SHA={env:CORE_REPO_SHA:main}
+  CORE_REPO_SHA=71dc0d2a33c7656e53e5cac0ebf1af95f3b5b9f9
   CORE_REPO=git+https://github.com/open-telemetry/opentelemetry-python.git@{env:CORE_REPO_SHA}
 
 commands_pre =