diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 24e8557..e7eda76 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -37,6 +37,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: rustup
+        run: rustup update
+
       - name: build
         run: |
           cargo build --all-targets --all-features