diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da2fce5..6cfa85e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -119,7 +119,7 @@ jobs:
         with:
           enable-cache: true
       - name: Get number of CPU cores
-        uses: SimenB/github-actions-cpu-cores@v2
+        uses: SimenB/github-actions-cpu-cores@v3
         id: cpu-cores
       - name: Install graphviz (Ubuntu)
         if: runner.os == 'Linux'