diff --git a/.github/workflows/build_rust.yml b/.github/workflows/build_rust.yml
index 5e894b4549bfb..b256091c28d07 100644
--- a/.github/workflows/build_rust.yml
+++ b/.github/workflows/build_rust.yml
@@ -47,7 +47,7 @@ jobs:
           echo "PR_BRANCH=`jq -r '.head.ref' <<<$pr_json`" >> $GITHUB_ENV
           echo "PR_HEAD_LABEL=`jq -r '.head.label' <<<$pr_json`" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ env.PR_REPO }}
           ref: ${{ env.PR_BRANCH }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3dc005acc3a8d..0d4a5ae64acfe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     name: Run Linters
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Cache
         uses: actions/cache@v4
@@ -67,7 +67,7 @@ jobs:
     name: Lint with OpenDream
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup OD
         run: |
           bash tools/ci/setup_od.sh
@@ -87,7 +87,7 @@ jobs:
       matrix:
         byondtype: ['STABLE']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Restore BYOND from Cache
         uses: ./.github/actions/restore_or_install_byond
         with:
@@ -109,7 +109,7 @@ jobs:
         station: ['boxstation', 'deltastation', 'metastation', 'cerestation', 'emeraldstation']
         byondtype: ['STABLE']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Restore BYOND from Cache
         uses: ./.github/actions/restore_or_install_byond
         with:
@@ -131,7 +131,7 @@ jobs:
       matrix:
         byondtype: ['STABLE']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Restore BYOND from Cache
         uses: ./.github/actions/restore_or_install_byond
         with:
diff --git a/.github/workflows/devdocs.yml b/.github/workflows/devdocs.yml
index 647180eb06c66..7f7f3454a6648 100644
--- a/.github/workflows/devdocs.yml
+++ b/.github/workflows/devdocs.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Build and Deploy
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Build docs
         run: |
diff --git a/.github/workflows/dmi5.yml b/.github/workflows/dmi5.yml
index c04de36bd41c6..c02073e453e18 100644
--- a/.github/workflows/dmi5.yml
+++ b/.github/workflows/dmi5.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: ParadiseSS13/DMI5Checker@v1
       with:
         icons-path: 'icons'
diff --git a/.github/workflows/generate_autodoc.yml b/.github/workflows/generate_autodoc.yml
index 1dfc8da2418cd..4b943bf752c3a 100644
--- a/.github/workflows/generate_autodoc.yml
+++ b/.github/workflows/generate_autodoc.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: 'Update Branch'
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 1
         ref: master
diff --git a/.github/workflows/merge_upstream_master.yml b/.github/workflows/merge_upstream_master.yml
index 4e7f93e4e7521..0419c1d11c78e 100644
--- a/.github/workflows/merge_upstream_master.yml
+++ b/.github/workflows/merge_upstream_master.yml
@@ -47,7 +47,7 @@ jobs:
           echo "PR_BRANCH=`jq -r '.head.ref' <<<$pr_json`" >> $GITHUB_ENV
           echo "PR_HEAD_LABEL=`jq -r '.head.label' <<<$pr_json`" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ${{ env.PR_REPO }}
           ref: ${{ env.PR_BRANCH }}
diff --git a/.github/workflows/render_nanomaps.yml b/.github/workflows/render_nanomaps.yml
index 3f1ae5f3744fc..3bbdaf4d09652 100644
--- a/.github/workflows/render_nanomaps.yml
+++ b/.github/workflows/render_nanomaps.yml
@@ -23,7 +23,7 @@ jobs:
       - run: echo "GH_TOKEN=${{ steps.create_token.outputs.token }}" >> "$GITHUB_ENV"
 
       - name: 'Update Branch'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.create_token.outputs.token }}