diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ac67fa6..9190cb4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        rust: [1.42.0, stable, beta, nightly]
+        rust: [1.45.0, stable, beta, nightly]
     steps:
     - name: Checkout repository
       uses: actions/checkout@v1