diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index a9dfac5..1d05bbb 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -22,16 +22,16 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Set up Go ${{ matrix.go_version }}
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
           go-version: ${{ matrix.go_version }}
 
       - name: Cache Go modules
         id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
         with:
           path: ~/go/pkg/mod
           key: v1-go${{ matrix.go_version }}