diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 0174175f..2bd51f06 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -394,7 +394,7 @@ jobs:
           persist-credentials: false
 
       - name: Install rust toolchain
-        uses: dtolnay/rust-toolchain@1.73.0
+        uses: dtolnay/rust-toolchain@1.100.0
 
       - name: Test MSRV
         run: cargo check --manifest-path librustls/Cargo.toml --locked --lib --features=aws-lc-rs