diff --git a/.github/workflows/iriscast_build.yaml b/.github/workflows/iriscast_build.yaml
index d598875d..908745e2 100644
--- a/.github/workflows/iriscast_build.yaml
+++ b/.github/workflows/iriscast_build.yaml
@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v4
       
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"