diff --git a/Dockerfile b/Dockerfile
index 8341ad7..60bfd6d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15.11-buster@sha256:d311c151b1dbabf78bd6b5b0ad14778b0d1f3dd985358f53d17b690d139c27be as build
+FROM golang:1.16.3-buster@sha256:2ff1a0d92edf6c2d4a2dd0d6bfa43e512c8b2f3aac738ffbb6195caf7cb38164 as build
 
 # renovate: datasource=github-tags depName=strukturag/nextcloud-spreed-signaling versioning=semver
 ENV SPREED_SIGNALING_VERSION v0.2.0