diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9fc9a1812..b357bcf74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,11 +42,11 @@ jobs:
 
         steps:
             - name: Checkout source code
-              uses: actions/checkout@master
+              uses: actions/checkout@v3
               with:
                 fetch-depth: 10
             - name: Set up Python ${{ matrix.pyver }}
-              uses: actions/setup-python@master
+              uses: actions/setup-python@v3
               with:
                 python-version: ${{ matrix.pyver }}