diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c016674..4f3f489a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,12 +20,12 @@ jobs:
     steps:
 
       - name: Set up Go 1.25
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
         with:
           go-version: '1.25'
         id: go
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
       - name: Prepare Host
         run: |