diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c02e8fa..6425b82 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,9 +14,9 @@ jobs:
         java: [ 11, 17, 20 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
-      - uses: actions/setup-java@v1
+      - uses: actions/setup-java@b6e674f4b717d7b0ae3baee0fbe79f498905dfde # v1
         with:
           java-version: ${{ matrix.java }}