diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index de99252..05d53e3 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -15,12 +15,12 @@ jobs:
     steps:
 
     - name: Set up Go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@bfdd3570ce990073878bf10f6b2d79082de49492 # v2.2.0
       with:
         go-version: ^${{matrix.go}}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
 
     - name: Get dependencies
       run: go get -v -t -d ./...