diff --git a/.github/workflows/bandit.yml b/.github/workflows/bandit.yml
index e356e0bdb4..67f9b3a7ee 100644
--- a/.github/workflows/bandit.yml
+++ b/.github/workflows/bandit.yml
@@ -14,7 +14,7 @@ jobs:
   
     steps:
       - name: Clone the git repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Install pip packages
         run: pip install -r third_party/requirements.txt
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index e697dd6aaf..1c9f740b91 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ${{matrix.os}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install apt packages
       run: |
@@ -122,7 +122,7 @@ jobs:
     runs-on: 'ubuntu-22.04'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install pip packages
       run: pip install -r third_party/requirements.txt
@@ -174,7 +174,7 @@ jobs:
     runs-on: ${{matrix.adapter.name}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install pip packages
       run: pip install -r third_party/requirements.txt
@@ -240,13 +240,13 @@ jobs:
     runs-on: ${{matrix.adapter.name}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install pip packages
       run: pip install -r third_party/requirements.txt
     
     - name: Init conda env
-      uses: conda-incubator/setup-miniconda@v2
+      uses: conda-incubator/setup-miniconda@9f54435e0e72c53962ee863144e47a4b094bfd35 # v2.3.0
       with:
           miniconda-version: "latest"
           activate-environment: examples
@@ -306,9 +306,9 @@ jobs:
     runs-on: ${{matrix.os}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
       with:
         python-version: 3.9
 
@@ -357,9 +357,9 @@ jobs:
     runs-on: ${{matrix.os}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
       with:
         python-version: 3.9
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index bf312be396..5e00191ced 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -18,10 +18,10 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@1500a131381b66de0c52ac28abb13cd79f4b7ecc # v2.22.12
       with:
         languages: cpp, python
 
@@ -35,7 +35,7 @@ jobs:
       run: cmake --build ${{github.workspace}}/build -j $(nproc)
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@1500a131381b66de0c52ac28abb13cd79f4b7ecc # v2.22.12
 
   analyze-windows:
     name: Analyze on Windows
@@ -48,10 +48,10 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@1500a131381b66de0c52ac28abb13cd79f4b7ecc # v2.22.12
       with:
         languages: cpp, python
 
@@ -65,4 +65,4 @@ jobs:
       run: cmake --build ${{github.workspace}}/build -j $(nproc) --config Release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@1500a131381b66de0c52ac28abb13cd79f4b7ecc # v2.22.12
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 731f7ea320..6f2cb38aab 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{matrix.os}}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install apt packages
       run: |
@@ -72,7 +72,7 @@ jobs:
       run: ctest -T Coverage
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
       with:
         gcov: true
         gcov_include: source
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index ab065ee77e..7e3dae32dd 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Clone the git repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Install pip packages
         run: pip install -r third_party/requirements.txt
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9e51af24bc..53734a1d80 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -26,9 +26,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
         with:
           python-version: 3.9
 
@@ -41,14 +41,14 @@ jobs:
         run: python3 -m pip install -r third_party/requirements.txt
 
       - name: Setup Pages
-        uses: actions/configure-pages@v2
+        uses: actions/configure-pages@c5a3e1159e0cbdf0845eb8811bd39e39fc3099c2 # v2.1.3
 
       - name: Build Documentation
         working-directory: ${{github.workspace}}/scripts
         run: python3 run.py --core
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@84bb4cd4b733d5c320c9c9cfbc354937524f4d64 # v1.0.10
         with:
           path: ${{github.workspace}}/docs/html
 
@@ -62,4 +62,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@f27bcc15848fdcdcc02f01754eb838e44bcf389b # v1.2.9
diff --git a/.github/workflows/e2e_nightly.yml b/.github/workflows/e2e_nightly.yml
index e3cda49245..4a3999fc5c 100644
--- a/.github/workflows/e2e_nightly.yml
+++ b/.github/workflows/e2e_nightly.yml
@@ -29,12 +29,12 @@ jobs:
         rm -rf ./* || true
 
     - name: Checkout UR
-      uses: actions/checkout@v4
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:
         path: ur-repo
 
     - name: Checkout SYCL
-      uses: actions/checkout@v4
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:
         repository: intel/llvm
         ref: sycl
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 4a81c94e8f..38d3dcef04 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: 'ubuntu-22.04'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     - name: Install pip packages
       run: pip install -r third_party/requirements.txt
diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index 882b06985a..fe0790cc46 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
       - name: Create weekly prerelease
         run: