diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38e0503..982bce5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,12 +17,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
         with:
           fetch-depth: 0
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: "lts/*"
           cache: npm
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index be7bdd2..d876c51 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -16,12 +16,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
         with:
           fetch-depth: 0
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 24
           registry-url: https://registry.npmjs.org
@@ -34,7 +34,7 @@ jobs:
         run: npm ci
 
       - name: Create release PR or publish
-        uses: changesets/action@v1
+        uses: changesets/action@a45c4d594aa4e2c509dc14a9f2b3b67ba3780d0d # v1.9.0
         with:
           publish: npm run release
         env: