diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aab702e..2619995 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.100.0
+      - uses: dtolnay/rust-toolchain@1.120.0
       - run: cargo check --workspace --exclude backend
 
   test: