diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a5d35e10ff..5d625ae140 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -298,12 +298,12 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: nightly-2025-10-18 # Compatible version for cargo-check-external-types
+          toolchain: nightly-2026-03-20 # Compatible version for cargo-check-external-types
 
       - name: Install cargo-check-external-types
         uses: taiki-e/cache-cargo-install-action@v2
         with:
-          tool: cargo-check-external-types@0.4.0
+          tool: cargo-check-external-types@0.5.0
 
       - uses: Swatinem/rust-cache@v2