diff --git a/.github/workflows/test-assistant-llm.yml b/.github/workflows/test-assistant-llm.yml
index 0b8cba18cb89..dc80393a23d8 100644
--- a/.github/workflows/test-assistant-llm.yml
+++ b/.github/workflows/test-assistant-llm.yml
@@ -93,7 +93,7 @@ jobs:
           ANTHROPIC_API_KEY: "op://Positron/Anthropic/credential"
 
       - name: Download artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: inspect-ai-responses
           path: /home/runner/work/positron/positron/test/assistant-inspect-ai