diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 942cc7f3..93048409 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        rust_version: [stable, "1.46.0"]
+        rust_version: [stable, "1.55.0"]
 
     steps:
     - uses: actions/checkout@v1