diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 513b7c861..487980de9 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -67,8 +67,9 @@ jobs:
         client-type: [library, server]
         # Use vllm on weekly schedule, otherwise use test-provider input (defaults to ollama)
         provider: ${{ (github.event.schedule == '1 0 * * 0') && fromJSON('["vllm"]') || fromJSON(format('["{0}"]', github.event.inputs.test-provider || 'ollama')) }}
-        python-version: ["3.12", "3.13"]
-        client-version: ${{ (github.event.schedule == '0 0 * * 0' || github.event.inputs.test-all-client-versions == 'true') && fromJSON('["published", "latest"]') || fromJSON('["latest"]') }}
+        # Use Python 3.13 only on nightly schedule (daily latest client test), otherwise use 3.12
+        python-version: ${{ github.event.schedule == '0 0 * * *' && fromJSON('["3.12", "3.13"]') || fromJSON('["3.12"]') }}
+        client-version: ${{ (github.event.schedule == '0 0 * * *' || github.event.inputs.test-all-client-versions == 'true') && fromJSON('["published", "latest"]') || fromJSON('["latest"]') }}
         run-vision-tests: ['true', 'false']
 
     steps: