diff --git a/.github/workflows/db-charm-tests.yaml b/.github/workflows/db-charm-tests.yaml
index 0c124b0b0..b427db23c 100644
--- a/.github/workflows/db-charm-tests.yaml
+++ b/.github/workflows/db-charm-tests.yaml
@@ -44,7 +44,7 @@ jobs:
             echo -e "\ngit+$GITHUB_SERVER_URL/$GITHUB_REPOSITORY@$GITHUB_SHA#egg=ops" >> requirements.txt
           else
             sed -i -e "s/^ops[ ><=].*/ops = {path = \"myops\"}/" pyproject.toml
-            poetry lock
+            poetry lock --no-update
           fi
 
       - name: Install dependencies