diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d11a8f2..7c9cf2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.88.0
+      - uses: dtolnay/rust-toolchain@1.100.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo check --locked
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b0ba8e4..cb08a0e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: dtolnay/rust-toolchain@1.97.1
+      - uses: dtolnay/rust-toolchain@1.100.0
         with:
           components: clippy, rustfmt
           targets: x86_64-pc-windows-msvc