diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5d4bfbff..019f5e87 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -27,7 +27,7 @@ jobs:
   build:
     working_directory: ~/build
     docker:
-      - image: rust:1.19.0
+      - image: rust:1.20.0
         environment:
           RUSTFLAGS: -D warnings
       - image: sfackler/rust-postgres-test:3