diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8ec7544..548c4ab 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 executors:
   default:
     docker:
-      - image: 'rust:1.34-stretch'
+      - image: 'rust:1.35-stretch'
     environment:
       MAKE_LIBSASS_JOBS: '4'
       BUILD_JOBS: '4'
diff --git a/Dockerfile b/Dockerfile
index 4f73c8b..caf1bbb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.34-stretch as builder
+FROM rust:1.35-stretch as builder
 
 RUN mkdir -p /build/src
 RUN echo 'fn main() {}' > /build/src/main.rs