diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index 642978f0..81290590 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -49,7 +49,7 @@ hashes_sha1,
           key: cache-${{ matrix.target }}-${{ hashFiles('**/Cargo.toml','**/Cargo.lock') }}
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.58
+          toolchain: 1.65.0
           override: true
           profile: minimal
       - name: fuzz