diff --git a/.github/workflows/publish-firmware-bundles-tests.yml b/.github/workflows/publish-firmware-bundles-tests.yml
index 560eca31..d090331b 100644
--- a/.github/workflows/publish-firmware-bundles-tests.yml
+++ b/.github/workflows/publish-firmware-bundles-tests.yml
@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 22
 
diff --git a/.github/workflows/publish-firmware-bundles.yml b/.github/workflows/publish-firmware-bundles.yml
index 75be7643..45e7ab01 100644
--- a/.github/workflows/publish-firmware-bundles.yml
+++ b/.github/workflows/publish-firmware-bundles.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: "22.x"
 
diff --git a/.github/workflows/publish-symbol-files-to-memfault.yml b/.github/workflows/publish-symbol-files-to-memfault.yml
index 6edccd87..b9dce6a4 100644
--- a/.github/workflows/publish-symbol-files-to-memfault.yml
+++ b/.github/workflows/publish-symbol-files-to-memfault.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: "22.x"