diff --git a/.github/workflows/autochangelog.yml b/.github/workflows/autochangelog.yml
index b03c11e4148..c299f487754 100644
--- a/.github/workflows/autochangelog.yml
+++ b/.github/workflows/autochangelog.yml
@@ -14,7 +14,7 @@ jobs:
     if: github.event.pull_request.merged == true
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Generate App Token
         id: app-token-generation
diff --git a/.github/workflows/autowiki.yml b/.github/workflows/autowiki.yml
index 2f6cadbbf92..ac2c9ae31d1 100644
--- a/.github/workflows/autowiki.yml
+++ b/.github/workflows/autowiki.yml
@@ -20,7 +20,7 @@ jobs:
           echo "SECRETS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.secrets_set.outputs.SECRETS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install BYOND
         if: steps.secrets_set.outputs.SECRETS_ENABLED
         uses: ./.github/actions/restore_or_install_byond
diff --git a/.github/workflows/codeowner_reviews.yml b/.github/workflows/codeowner_reviews.yml
index cc5d8e8a20e..0582b0bbdef 100644
--- a/.github/workflows/codeowner_reviews.yml
+++ b/.github/workflows/codeowner_reviews.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so the job can access it
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       #Parse the Codeowner file on non draft PRs
       - name: CodeOwnersParser
diff --git a/.github/workflows/compile_changelogs.yml b/.github/workflows/compile_changelogs.yml
index 922bb052e6f..afe33d8e715 100644
--- a/.github/workflows/compile_changelogs.yml
+++ b/.github/workflows/compile_changelogs.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: "Checkout"
         #if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 25
           persist-credentials: false
diff --git a/.github/workflows/gbp.yml b/.github/workflows/gbp.yml
index 7e9bacd8ea1..3a2f66388ec 100644
--- a/.github/workflows/gbp.yml
+++ b/.github/workflows/gbp.yml
@@ -12,7 +12,7 @@ jobs:
       issues: write # to apply labels
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run Auto Labeler
         uses: actions/github-script@v8
         with:
@@ -40,7 +40,7 @@ jobs:
           echo "ACTIONS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup git
         if: steps.value_holder.outputs.ACTIONS_ENABLED
         run: |
@@ -48,7 +48,7 @@ jobs:
           git config --global user.email "<>"
       - name: Checkout alternate branch
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: "gbp-balances" # The branch name
           path: gbp-balances
diff --git a/.github/workflows/gbp_collect.yml b/.github/workflows/gbp_collect.yml
index 1e83e860ab7..ada99b23d95 100644
--- a/.github/workflows/gbp_collect.yml
+++ b/.github/workflows/gbp_collect.yml
@@ -18,7 +18,7 @@ jobs:
           echo "ACTIONS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup git
         if: steps.value_holder.outputs.ACTIONS_ENABLED
         run: |
@@ -26,7 +26,7 @@ jobs:
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
       - name: Checkout alternate branch
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: "gbp-balances" # The branch name
           path: gbp-balances
diff --git a/.github/workflows/remove_guide_comments.yml b/.github/workflows/remove_guide_comments.yml
index 2c90cf44201..117e98cbe48 100644
--- a/.github/workflows/remove_guide_comments.yml
+++ b/.github/workflows/remove_guide_comments.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Remove guide comments
         uses: actions/github-script@v8
         with:
diff --git a/.github/workflows/render_nanomaps.yml b/.github/workflows/render_nanomaps.yml
index 6c0dec9ecf5..b4efbd5648e 100644
--- a/.github/workflows/render_nanomaps.yml
+++ b/.github/workflows/render_nanomaps.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Branch
         run: |
diff --git a/.github/workflows/run_extra_map_tests.yml b/.github/workflows/run_extra_map_tests.yml
index e14cd26f733..44a55fd15e3 100644
--- a/.github/workflows/run_extra_map_tests.yml
+++ b/.github/workflows/run_extra_map_tests.yml
@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Ensure +x on CI directory
         run: |
           chmod -R +x ./tools/ci
diff --git a/.github/workflows/run_integration_tests.yml b/.github/workflows/run_integration_tests.yml
index f17d7292c5a..d568fc136e0 100644
--- a/.github/workflows/run_integration_tests.yml
+++ b/.github/workflows/run_integration_tests.yml
@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 30
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Ensure +x on CI directory
         run: |
           chmod -R +x ./tools/ci
diff --git a/.github/workflows/run_linters.yml b/.github/workflows/run_linters.yml
index d09f29da7e5..962f8b0cf01 100644
--- a/.github/workflows/run_linters.yml
+++ b/.github/workflows/run_linters.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
             fetch-depth: 0
       # Caches
diff --git a/.github/workflows/tgs_test.yml b/.github/workflows/tgs_test.yml
index ba3875c9ee1..fefe765bb75 100644
--- a/.github/workflows/tgs_test.yml
+++ b/.github/workflows/tgs_test.yml
@@ -64,7 +64,7 @@ jobs:
           dotnet-version: 8.0.x
 
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Test TGS Integration
         run: dotnet run -c Release --project tools/tgs_test ${{ github.repository }} /tgs_instances/tgstation ${{ env.TGS_API_PORT }} ${{ github.event.pull_request.head.sha || github.sha }} ${{ secrets.GITHUB_TOKEN }} ${{ env.PR_NUMBER }}
diff --git a/.github/workflows/update_tgs_dmapi.yml b/.github/workflows/update_tgs_dmapi.yml
index f2eb19104d7..3abce44492b 100644
--- a/.github/workflows/update_tgs_dmapi.yml
+++ b/.github/workflows/update_tgs_dmapi.yml
@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Clone
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Branch
         run: |