diff --git a/Dockerfile b/Dockerfile
index ae936afe..6297d273 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15.4-alpine3.12 as basis
+FROM golang:1.15.5-alpine3.12 as basis
 LABEL maintainer="OpenSlides Team <info@openslides.com>"
 WORKDIR /root/