diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1acb8c13..c5bf727c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: leanprover/lean-action@v1
         with:
           test: false
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 8d5b49df..635a41dc 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Install Lean
         uses: leanprover/lean-action@v1
diff --git a/.github/workflows/update-toolchain.yml b/.github/workflows/update-toolchain.yml
index aa5a20bf..1f6a5623 100644
--- a/.github/workflows/update-toolchain.yml
+++ b/.github/workflows/update-toolchain.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
 
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: install jq
         uses: dcarbone/install-jq-action@v3