diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 420689c..1e0f8a2 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -49,7 +49,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends pkg-config libssl-dev
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@1.89.0
+        uses: dtolnay/rust-toolchain@1.100.0
         with:
           components: clippy,rustfmt
           targets: wasm32-unknown-unknown
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 30cfa1e..ec13ae6 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@1.89.0
+        uses: dtolnay/rust-toolchain@1.100.0
 
       - name: Install cargo-audit
         run: cargo install cargo-audit --version 0.22.2 --locked