diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index a8265e1..f3e419d 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -15,7 +15,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v2
-            - uses: dtolnay/rust-toolchain@1.83.0
+            - uses: dtolnay/rust-toolchain@1.85.0
               with:
                 components: rustfmt
             - name: Run rustfmt
@@ -25,7 +25,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v2
-            - uses: dtolnay/rust-toolchain@1.83.0
+            - uses: dtolnay/rust-toolchain@1.85.0
               id: cargo
               with:
                 components: clippy
@@ -49,7 +49,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v4
-            - uses: dtolnay/rust-toolchain@1.83.0
+            - uses: dtolnay/rust-toolchain@1.85.0
               id: cargo
               with:
                 components: clippy