diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4eb7626..82e6adf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends libgtk-4-dev
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@1.88
+        uses: dtolnay/rust-toolchain@1.100
 
       - name: Cache cargo registry and build artifacts
         uses: Swatinem/rust-cache@v2