diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 5936cdc46a90..2fb947424f39 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -63,7 +63,7 @@ jobs:
           fetch-depth: 1
       - name: Get subprojects that have doc changes
         id: docs-changed-subprojects
-        uses: tj-actions/changed-files@v39
+        uses: tj-actions/changed-files@v44
         with:
           files_yaml: |
             llvm:
@@ -98,7 +98,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Setup Python env
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
           cache: 'pip'
diff --git a/.github/workflows/libclang-abi-tests.yml b/.github/workflows/libclang-abi-tests.yml
index 972d21c3bced..c51b80b8e9c0 100644
--- a/.github/workflows/libclang-abi-tests.yml
+++ b/.github/workflows/libclang-abi-tests.yml
@@ -130,7 +130,7 @@ jobs:
             sed -i 's/LLVM_[0-9]\+/LLVM_NOVERSION/' $lib-${{ matrix.ref }}.abi
           done
       - name: Upload ABI file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.name }}
           path: '*${{ matrix.ref }}.abi'
@@ -143,12 +143,12 @@ jobs:
       - abi-dump
     steps:
       - name: Download baseline
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-baseline
           path: build-baseline
       - name: Download latest
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-latest
           path: build-latest
@@ -162,7 +162,7 @@ jobs:
           done
       - name: Upload ABI Comparison
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: compat-report-${{ github.sha }}
           path: compat_reports/
diff --git a/.github/workflows/libcxx-build-and-test.yaml b/.github/workflows/libcxx-build-and-test.yaml
index 5727b956dc6d..ac19fca40b4d 100644
--- a/.github/workflows/libcxx-build-and-test.yaml
+++ b/.github/workflows/libcxx-build-and-test.yaml
@@ -75,7 +75,7 @@ jobs:
           CC: ${{ matrix.cc }}
           CXX: ${{ matrix.cxx }}
           ENABLE_CLANG_TIDY: ${{ matrix.clang_tidy }}
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: ${{ matrix.config }}-${{ matrix.cxx }}-results
@@ -124,7 +124,7 @@ jobs:
           CC: ${{ matrix.cc }}
           CXX: ${{ matrix.cxx }}
           ENABLE_CLANG_TIDY: ${{ matrix.clang_tidy }}
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()  # Upload artifacts even if the build or test suite fails
         with:
           name: ${{ matrix.config }}-results
@@ -189,7 +189,7 @@ jobs:
           CC: clang-18
           CXX: clang++-18
           ENABLE_CLANG_TIDY: "OFF"
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: ${{ matrix.config }}-results
diff --git a/.github/workflows/llvm-bugs.yml b/.github/workflows/llvm-bugs.yml
index 181abfbbc1bd..e091a9d97d57 100644
--- a/.github/workflows/llvm-bugs.yml
+++ b/.github/workflows/llvm-bugs.yml
@@ -14,13 +14,13 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'llvm'
     steps:
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: 18
           check-latest: true
       - run: npm install mailgun.js form-data
       - name: Send notification
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           MAILGUN_API_KEY: ${{ secrets.LLVM_BUGS_KEY }}
         with:
diff --git a/.github/workflows/llvm-project-tests.yml b/.github/workflows/llvm-project-tests.yml
index faadfbcce2ab..56b5e1d0e42e 100644
--- a/.github/workflows/llvm-project-tests.yml
+++ b/.github/workflows/llvm-project-tests.yml
@@ -77,7 +77,7 @@ jobs:
       # lldb.  Using this setup-python action to make 3.10 the default
       # python fixes this.
       - name: Setup Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ inputs.python_version }}
       - name: Install Ninja
diff --git a/.github/workflows/llvm-tests.yml b/.github/workflows/llvm-tests.yml
index af49651e8f25..4544a7f977aa 100644
--- a/.github/workflows/llvm-tests.yml
+++ b/.github/workflows/llvm-tests.yml
@@ -140,14 +140,14 @@ jobs:
           # Remove symbol versioning from dumps, so we can compare across major versions.
           sed -i 's/LLVM_${{ matrix.llvm_version_major }}/LLVM_NOVERSION/' ${{ matrix.ref }}.abi
       - name: Upload ABI file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.name }}
           path: ${{ matrix.ref }}.abi
 
       - name: Upload symbol list file
         if: matrix.name == 'build-baseline'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: symbol-list
           path: llvm.symbols
@@ -160,17 +160,17 @@ jobs:
       - abi-dump
     steps:
       - name: Download baseline
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-baseline
           path: build-baseline
       - name: Download latest
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-latest
           path: build-latest
       - name: Download symbol list
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: symbol-list
           path: symbol-list
@@ -189,7 +189,7 @@ jobs:
           abi-compliance-checker $EXTRA_ARGS -l libLLVM.so -old build-baseline/*.abi -new build-latest/*.abi || test "${{ needs.abi-dump-setup.outputs.ABI_HEADERS }}" = "llvm-c"
       - name: Upload ABI Comparison
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: compat-report-${{ github.sha }}
           path: compat_reports/
diff --git a/.github/workflows/new-prs.yml b/.github/workflows/new-prs.yml
index a60f82ce35d1..b6b64b468367 100644
--- a/.github/workflows/new-prs.yml
+++ b/.github/workflows/new-prs.yml
@@ -67,7 +67,7 @@ jobs:
       github.event.pull_request.draft == false &&
       github.event.pull_request.commits < 10
     steps:
-      - uses: actions/labeler@v4
+      - uses: actions/labeler@v5
         with:
           configuration-path: .github/new-prs-labeler.yml
           # workaround for https://github.com/actions/labeler/issues/112
diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index 3d0c23917bd4..879c84ddcd9c 100644
--- a/.github/workflows/pr-code-format.yml
+++ b/.github/workflows/pr-code-format.yml
@@ -26,7 +26,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v39
+        uses: tj-actions/changed-files@v44
         with:
           separator: ","
           skip_initial_fetch: true
@@ -56,7 +56,7 @@ jobs:
           clangformat: 17.0.1
 
       - name: Setup Python env
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
           cache: 'pip'
diff --git a/.github/workflows/release-binaries.yml b/.github/workflows/release-binaries.yml
index 02082a84d8c1..6899699bcc68 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -117,14 +117,14 @@ jobs:
         tar -C /mnt/ -c build/ | zstd -T0 -c > build.tar.zst
 
     - name: Upload Stage 1 Source
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage1-source
         path: llvm-project.tar.zst
         retention-days: 2
 
     - name: Upload Stage 1 Build Dir
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage1-build
         path: build.tar.zst
@@ -142,7 +142,7 @@ jobs:
       uses: llvm/actions/install-ninja@22e9f909d35b50bd1181709564bfe816eaeaae81 # main
 
     - name: Download Stage 1 Artifacts
-      uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
       with:
         pattern: stage1-*
         merge-multiple: true
@@ -167,14 +167,14 @@ jobs:
         tar -C /mnt/ -c build/ | zstd -T0 -c > build.tar.zst
 
     - name: Upload Stage 2 Source
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage2-source
         path: ${{ github.workspace }}/llvm-project.tar.zst
         retention-days: 2
 
     - name: Upload Stage 2 Build Dir
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage2-build
         path: ${{ github.workspace }}/build.tar.zst
@@ -195,7 +195,7 @@ jobs:
       uses: llvm/actions/install-ninja@22e9f909d35b50bd1181709564bfe816eaeaae81 # main
 
     - name: 'Download artifact'
-      uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
       with:
         pattern: stage2-*
         merge-multiple: true
@@ -218,7 +218,7 @@ jobs:
         echo "filename=$filename" >> $GITHUB_OUTPUT
         echo "path=/mnt/build/tools/clang/stage2-bins/$filename" >> $GITHUB_OUTPUT
 
-    - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+    - uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       if: always()
       with:
         name: release-binary
@@ -237,14 +237,14 @@ jobs:
         tar -C /mnt/ -c build/ | zstd -T0 -c > build.tar.zst
 
     - name: Upload Stage 3 Source
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage3-source
         path: llvm-project.tar.zst
         retention-days: 2
 
     - name: Upload Stage 3 Build Dir
-      uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b #v4.3.4
       with:
         name: stage3-build
         path: build.tar.zst
@@ -262,7 +262,7 @@ jobs:
 
     steps:
     - name: 'Download artifact'
-      uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
       with:
         name: release-binary
 
@@ -288,7 +288,7 @@ jobs:
       uses: llvm/actions/install-ninja@22e9f909d35b50bd1181709564bfe816eaeaae81 # main
 
     - name: 'Download artifact'
-      uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
       with:
         pattern: stage3-*
         merge-multiple: true
diff --git a/.github/workflows/release-documentation.yml b/.github/workflows/release-documentation.yml
index 64572906988b..02ffbb142a94 100644
--- a/.github/workflows/release-documentation.yml
+++ b/.github/workflows/release-documentation.yml
@@ -37,7 +37,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Setup Python env
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           cache: 'pip'
           cache-dependency-path: './llvm/docs/requirements.txt'
@@ -59,7 +59,7 @@ jobs:
           ./llvm/utils/release/build-docs.sh -release "${{ inputs.release-version }}" -no-doxygen
 
       - name: Create Release Notes Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-notes
           path: docs-build/html-export/
diff --git a/.github/workflows/release-doxygen.yml b/.github/workflows/release-doxygen.yml
index 5e322849a1d0..f39822bdff38 100644
--- a/.github/workflows/release-doxygen.yml
+++ b/.github/workflows/release-doxygen.yml
@@ -39,7 +39,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Setup Python env
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           cache: 'pip'
           cache-dependency-path: './llvm/docs/requirements.txt'
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index b8e8ab26c3ff..76e932a836a8 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -36,7 +36,7 @@ jobs:
           persist-credentials: false
 
       - name: "Run analysis"
-        uses: ossf/scorecard-action@e38b1902ae4f44df626f11ba0734b14fb91f8f86 # v2.1.2
+        uses: ossf/scorecard-action@62b2cac7ed8198b15735ed49ab1e5cf35480ba46 # v2.4.0
         with:
           results_file: results.sarif
           results_format: sarif
@@ -49,7 +49,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # v3.1.0
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
         with:
           name: SARIF file
           path: results.sarif
@@ -57,6 +57,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@17573ee1cc1b9d061760f3a006fc4aac4f944fd5 # v2.2.4
+        uses: github/codeql-action/upload-sarif@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
         with:
           sarif_file: results.sarif