diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 801e905..320bd12 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v6.0.1
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/example-builds-defaultarch.yml b/.github/workflows/example-builds-defaultarch.yml
index 5882dce..aab4acb 100644
--- a/.github/workflows/example-builds-defaultarch.yml
+++ b/.github/workflows/example-builds-defaultarch.yml
@@ -23,7 +23,7 @@ jobs:
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - uses: actions/setup-node@v6
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
diff --git a/.github/workflows/example-builds-nightly-defaultarch.yml b/.github/workflows/example-builds-nightly-defaultarch.yml
index 32fde47..810e77d 100644
--- a/.github/workflows/example-builds-nightly-defaultarch.yml
+++ b/.github/workflows/example-builds-nightly-defaultarch.yml
@@ -27,7 +27,7 @@ jobs:
           - macos-latest # Apple Silicon
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - uses: actions/setup-node@v6
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
diff --git a/.github/workflows/example-builds-nightly.yml b/.github/workflows/example-builds-nightly.yml
index 444b6a0..afcccee 100644
--- a/.github/workflows/example-builds-nightly.yml
+++ b/.github/workflows/example-builds-nightly.yml
@@ -29,7 +29,7 @@ jobs:
             julia-arch: x86
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - uses: actions/setup-node@v6
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
diff --git a/.github/workflows/example-builds.yml b/.github/workflows/example-builds.yml
index 17b390e..a3eab4e 100644
--- a/.github/workflows/example-builds.yml
+++ b/.github/workflows/example-builds.yml
@@ -36,7 +36,7 @@ jobs:
             julia-version: '1'
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - uses: actions/setup-node@v6
         if: ${{ ! startsWith(github.ref, 'refs/heads/releases') }}
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index a089a95..62bc0ef 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -39,7 +39,7 @@ jobs:
       fail-fast: false
     steps:
       ### Check out the repo:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           persist-credentials: false
       ### Cleanall:
@@ -82,7 +82,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       ### Check out the repo:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           persist-credentials: false
       ### Cleanall:
@@ -126,7 +126,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       ### Check out the repo:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           persist-credentials: false
       ### Cleanall:
@@ -161,7 +161,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       ### Check out the repo:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           persist-credentials: false
       ### Cleanall:
@@ -199,7 +199,7 @@ jobs:
       fail-fast: false
     steps:
       ### Check out the repo:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
         with:
           persist-credentials: false
       ### Install NodeJS