diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3599339..47a4d1e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Setup Go
         uses: actions/setup-go@v6
@@ -58,7 +58,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Setup Go
         uses: actions/setup-go@v6
@@ -94,7 +94,7 @@ jobs:
           install: true
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       # We ask Docker to use GitHub Action's native caching support to speed up
       # the build, per https://docs.docker.com/build/cache/backends/gha/.
@@ -134,7 +134,7 @@ jobs:
       - build
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Download Single-Platform Packages
         uses: actions/download-artifact@v5
diff --git a/.github/workflows/tag.yml b/.github/workflows/tag.yml
index 4a987eb..db347f3 100644
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Create Tag
         uses: negz/create-tag@39bae1e0932567a58c20dea5a1a0d18358503320 # v1