diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9fb4e79..ab57b01 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: rust:1.19
+      - image: rust:1.28
     steps:
       - checkout
       # Load cargo target from cache if possible.