diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 27f29e7..77dbb7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
         os: [ubuntu-latest]
         compiler: [gcc, g++, clang, gcc-12, gcc-13, gcc-14]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Compile Library
       env:
         CCFLAGS: "-fsanitize=undefined"
@@ -27,7 +27,7 @@ jobs:
           os: [ubuntu-latest]
           compiler: [gcc]
       steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Compile Library
         env:
           CCFLAGS: "-fsanitize=undefined"
@@ -53,7 +53,7 @@ jobs:
         os: [ubuntu-latest]
         compiler: [gcc]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     # The following should be moved into a seperate action for only pull requests, etc.
     # where you it posts the information into the PR as a comment (optionally?)
     - name: Install cppcheck
@@ -68,7 +68,7 @@ jobs:
         os: [macos-latest]
         compiler: [clang]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Compile Library
       env:
         CCFLAGS: "-fsanitize=undefined"
@@ -86,7 +86,7 @@ jobs:
         os: [windows-latest]
         compiler: [gcc, clang]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup MinGW
       uses: msys2/setup-msys2@v2
       with: