diff --git a/.github/workflows/autotools-cmake.yml b/.github/workflows/autotools-cmake.yml
index f6fcc87c..10bcf7bd 100644
--- a/.github/workflows/autotools-cmake.yml
+++ b/.github/workflows/autotools-cmake.yml
@@ -55,7 +55,7 @@ jobs:
         shell: bash
     runs-on: "${{ matrix.os }}"
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
 
     - name: (Linux) Install build dependencies
       if: "${{ runner.os == 'Linux' }}"
diff --git a/.github/workflows/cmake-required-version.yml b/.github/workflows/cmake-required-version.yml
index 303611c6..cc0eeaa3 100644
--- a/.github/workflows/cmake-required-version.yml
+++ b/.github/workflows/cmake-required-version.yml
@@ -40,7 +40,7 @@ jobs:
     name: Ensure realistic minimum CMake version requirement
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
 
     - name: Install ancient CMake
       run: |
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 03eefe9c..1a529dde 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -42,7 +42,7 @@ jobs:
     env:
       CFLAGS: -g3 -pipe
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
     - name: Install build dependencies
       run: |-
         set -x -u -o pipefail
diff --git a/.github/workflows/cppcheck.yml b/.github/workflows/cppcheck.yml
index ad1e1c3f..2502bc26 100644
--- a/.github/workflows/cppcheck.yml
+++ b/.github/workflows/cppcheck.yml
@@ -40,7 +40,7 @@ jobs:
     name: Run Cppcheck
     runs-on: macos-11
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
     - name: Install runtime dependencies
       run: |
         exec brew install cppcheck findutils
diff --git a/.github/workflows/expat_config_h.yml b/.github/workflows/expat_config_h.yml
index ddc75364..1a4a4f5e 100644
--- a/.github/workflows/expat_config_h.yml
+++ b/.github/workflows/expat_config_h.yml
@@ -40,7 +40,7 @@ jobs:
     name: Check expat_config.h.{in,cmake} for regressions
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
     - name: Check expat_config.h.{in,cmake} for regressions
       run: |
         set -v
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 68d2c06a..8a629aae 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -80,7 +80,7 @@ jobs:
     env:
       CFLAGS: -g3 -pipe
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
     - name: Install build dependencies (MinGW)
       if: "${{ contains(matrix.FLAT_ENV, 'mingw') }}"
       run: |-
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 69e7002b..20e40f16 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -50,7 +50,7 @@ jobs:
             FLAT_ENV: CC=clang CXX=clang++ LD=clang++ QA_SANITIZER=address
     runs-on: macos-11
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
     - name: Install build dependencies
       run: |
         sudo rm /usr/local/bin/2to3  # so that "brew link" will work
diff --git a/.github/workflows/valid-xml.yml b/.github/workflows/valid-xml.yml
index 2d5c2fed..a976e775 100644
--- a/.github/workflows/valid-xml.yml
+++ b/.github/workflows/valid-xml.yml
@@ -40,7 +40,7 @@ jobs:
     name: Ensure well-formed and valid XML
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3.0.2
+    - uses: actions/checkout@v3.1.0
 
     - name: Install build dependencies
       run: |-