diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 267c136..00f0e0f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -142,7 +142,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install MSRV Rust toolchain
-        uses: dtolnay/rust-toolchain@1.70.0
+        uses: dtolnay/rust-toolchain@1.81.0
 
       - name: Cache Rust dependencies
         uses: Swatinem/rust-cache@v2