diff --git a/.github/workflows/TagIt.yml b/.github/workflows/TagIt.yml
index a3c44231a02..6d0b485e4a8 100644
--- a/.github/workflows/TagIt.yml
+++ b/.github/workflows/TagIt.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Archive project
         id: archive_project
         run: |
diff --git a/.github/workflows/getdeps_linux.yml b/.github/workflows/getdeps_linux.yml
index 7f5df2b9300..ab35fe8c25e 100644
--- a/.github/workflows/getdeps_linux.yml
+++ b/.github/workflows/getdeps_linux.yml
@@ -17,7 +17,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Show disk space at start
       run: df -h
     - name: Free up disk space
@@ -453,7 +453,7 @@ jobs:
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --src-dir=. folly --project-install-prefix folly:/usr/local
     - name: Copy artifacts
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fixup-dyn-deps --strip --src-dir=. folly _artifacts/linux --project-install-prefix folly:/usr/local --final-install-prefix /usr/local
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: folly
         path: _artifacts
diff --git a/.github/workflows/getdeps_mac.yml b/.github/workflows/getdeps_mac.yml
index 00f76172459..6282dab4a4d 100644
--- a/.github/workflows/getdeps_mac.yml
+++ b/.github/workflows/getdeps_mac.yml
@@ -17,7 +17,7 @@ jobs:
   build:
     runs-on: macOS-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Show disk space at start
       run: df -h
     - name: Free up disk space
@@ -413,7 +413,7 @@ jobs:
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --src-dir=. folly --project-install-prefix folly:/usr/local
     - name: Copy artifacts
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fixup-dyn-deps --src-dir=. folly _artifacts/mac --project-install-prefix folly:/usr/local --final-install-prefix /usr/local
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: folly
         path: _artifacts
diff --git a/.github/workflows/getdeps_shared-libs_linux.yml b/.github/workflows/getdeps_shared-libs_linux.yml
index 93e595e09d7..bfb8b162d44 100644
--- a/.github/workflows/getdeps_shared-libs_linux.yml
+++ b/.github/workflows/getdeps_shared-libs_linux.yml
@@ -17,7 +17,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Show disk space at start
       run: df -h
     - name: Free up disk space
@@ -453,7 +453,7 @@ jobs:
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages build --shared-libs --src-dir=. folly --project-install-prefix folly:/usr/local
     - name: Copy artifacts
       run: python3 build/fbcode_builder/getdeps.py --allow-system-packages fixup-dyn-deps --strip --src-dir=. folly _artifacts/linux --project-install-prefix folly:/usr/local --final-install-prefix /usr/local
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: folly
         path: _artifacts
diff --git a/.github/workflows/getdeps_windows.yml b/.github/workflows/getdeps_windows.yml
index 4b562173811..a43836ee9e2 100644
--- a/.github/workflows/getdeps_windows.yml
+++ b/.github/workflows/getdeps_windows.yml
@@ -26,7 +26,7 @@ jobs:
         git config --system core.autocrlf false &&
         git config --system core.symlinks true
       shell: cmd
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - id: paths
       name: Query paths
       run: python build/fbcode_builder/getdeps.py query-paths --recursive --src-dir=. folly  >> $env:GITHUB_OUTPUT
@@ -396,7 +396,7 @@ jobs:
       run: python build/fbcode_builder/getdeps.py build --src-dir=. folly
     - name: Copy artifacts
       run: python build/fbcode_builder/getdeps.py fixup-dyn-deps --src-dir=. folly _artifacts/windows --final-install-prefix /usr/local
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: folly
         path: _artifacts
diff --git a/.github/workflows/oss-build-and-test.yml b/.github/workflows/oss-build-and-test.yml
index 4b74ec65708..240f9b4999d 100644
--- a/.github/workflows/oss-build-and-test.yml
+++ b/.github/workflows/oss-build-and-test.yml
@@ -4,7 +4,7 @@ jobs:
   get-toolchains-to-install:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: 'true'
       - uses: facebook/install-dotslash@latest
@@ -55,7 +55,7 @@ jobs:
       needs: get-toolchains-to-install
       runs-on: ubuntu-latest
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
           with:
             submodules: 'true'
         - run: sudo apt-get update
@@ -77,7 +77,7 @@ jobs:
             ocaml-compiler: "5.1"
         - name: Install Python toolchain
           if: needs.get-toolchains-to-install.outputs.uses_python == 'true'
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
             python-version: '3.10'
         - name: buck2 build and test
@@ -86,7 +86,7 @@ jobs:
       needs: get-toolchains-to-install
       runs-on: windows-latest
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
           with:
             submodules: 'true'
         - uses: facebook/install-dotslash@latest
@@ -106,7 +106,7 @@ jobs:
             ocaml-compiler: "4.12.0"
         - name: Install Python toolchain
           if: needs.get-toolchains-to-install.outputs.uses_python == 'true'
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
             python-version: '3.10'
         - name: buck2 build and test
@@ -115,7 +115,7 @@ jobs:
       needs: get-toolchains-to-install
       runs-on: macos-latest
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v6
           with:
             submodules: 'true'
         - uses: facebook/install-dotslash@latest
@@ -134,7 +134,7 @@ jobs:
             ocaml-compiler: "5.1"
         - name: Install Python toolchain
           if: needs.get-toolchains-to-install.outputs.uses_python == 'true'
-          uses: actions/setup-python@v5
+          uses: actions/setup-python@v6
           with:
             python-version: '3.10'
         - name: Install homebrew deps