diff --git a/.github/workflows/blueprint.yml b/.github/workflows/blueprint.yml
index f7558a3..a799e38 100644
--- a/.github/workflows/blueprint.yml
+++ b/.github/workflows/blueprint.yml
@@ -59,7 +59,7 @@ jobs:
           fetch-depth: 0 # Fetch all history for all branches and tags
 
       - name: Build the project
-        uses: leanprover/lean-action@434f25c2f80ded67bba02502ad3a86f25db50709 # v1.3.0
+        uses: leanprover/lean-action@c544e89643240c6b398f14a431bcdc6309e36b3e # v1.4.0
         with:
           use-github-cache: false