diff --git a/.github/workflows/linter.yaml b/.github/workflows/linter.yaml
index 41771b81d..4047bf77d 100644
--- a/.github/workflows/linter.yaml
+++ b/.github/workflows/linter.yaml
@@ -7,8 +7,8 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      - uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1 # v4
         with:
           python-version: 3.x
-      - uses: pre-commit/action@v3.0.0
+      - uses: pre-commit/action@646c83fcd040023954eafda54b4db0192ce70507 # v3.0.0