diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38a7793..c8eaa3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: cachix/install-nix-action@v31
       # Builds the `bob` package (buildRustPackage runs `cargo test` in
       # checkPhase) plus the fmt / core-leakage checks from flake.nix.
@@ -23,7 +23,7 @@ jobs:
   self-host:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: cachix/install-nix-action@v31
       - name: Build bootstrap bob + plugin-loaded nix-instantiate
         run: |