diff --git a/.github/workflows/psreddit-publish-module.yml b/.github/workflows/psreddit-publish-module.yml
index 6e08ac2..e1fa4c4 100644
--- a/.github/workflows/psreddit-publish-module.yml
+++ b/.github/workflows/psreddit-publish-module.yml
@@ -18,7 +18,7 @@ jobs:
     environment: psgallery
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/psreddit-test-on-linux.yml b/.github/workflows/psreddit-test-on-linux.yml
index b1c32db..8076e90 100644
--- a/.github/workflows/psreddit-test-on-linux.yml
+++ b/.github/workflows/psreddit-test-on-linux.yml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - name: Display the path
@@ -54,13 +54,13 @@ jobs:
         shell: pwsh
         run: Invoke-Build -File .\src\PSReddit.build.ps1
       - name: Upload pester results
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: pester-results
           path: ./src/Artifacts/testOutput
           if-no-files-found: warn
       - name: Upload zip module archive build
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: zip-archive
           path: ./src/Archive
diff --git a/.github/workflows/psreddit-test-on-macos.yml b/.github/workflows/psreddit-test-on-macos.yml
index 3f53554..8f966f9 100644
--- a/.github/workflows/psreddit-test-on-macos.yml
+++ b/.github/workflows/psreddit-test-on-macos.yml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - name: Display the path
@@ -54,13 +54,13 @@ jobs:
         shell: pwsh
         run: Invoke-Build -File .\src\PSReddit.build.ps1
       - name: Upload pester results
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: pester-results
           path: ./src/Artifacts/testOutput
           if-no-files-found: warn
       - name: Upload zip module archive build
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: zip-archive
           path: ./src/Archive
diff --git a/.github/workflows/psreddit-test-on-windows.yml b/.github/workflows/psreddit-test-on-windows.yml
index eca87b4..3480998 100644
--- a/.github/workflows/psreddit-test-on-windows.yml
+++ b/.github/workflows/psreddit-test-on-windows.yml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
       - name: Display the path
@@ -54,13 +54,13 @@ jobs:
         shell: pwsh
         run: Invoke-Build -File .\src\PSReddit.build.ps1
       - name: Upload pester results
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: pester-results
           path: .\src\Artifacts\testOutput
           if-no-files-found: warn
       - name: Upload zip module archive build
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
           name: zip-archive
           path: .\src\Archive