diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bca82f6..e769a38 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                rust: [1.40.0, stable, nightly]
+                rust: [1.46.0, stable, nightly]
         steps:
         - uses: actions/checkout@v2
         - uses: dtolnay/rust-toolchain@master