diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 695496a..7ef389a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "docker:latest"
+image: docker:latest
 
 services:
   - "docker:dind"
diff --git a/Dockerfile b/Dockerfile
index f391a52..ca91209 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM "python:3.7-alpine"
+FROM python:3.7-alpine
 
 ARG BUILD_DATE
 ARG VCS_REF