diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 362f1cf..5081ab4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -11,14 +11,14 @@ jobs:
     name: Build, test & format
     strategy:
       matrix:
-        go-version: [1.15.x, 1.16.x]
+        go-version: [1.19.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
     - uses: actions/checkout@v2
 
     - name: setup go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7  # v5.0.1
       with:
         go-version: ${{ matrix.go-version }}