diff --git a/Dockerfile b/Dockerfile
index 0427d54..49c5136 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19.5-bullseye@sha256:78b1726316ebfdec022fe7628f07547cafcd2d8a3934288187b87173f75925bc as build
+FROM golang:1.20.0-bullseye@sha256:c04e94c05b90347616893cfe487cce0581904e46289a869ad871e1e50ec8b43d as build
 
 # renovate: datasource=github-tags depName=strukturag/nextcloud-spreed-signaling versioning=semver
 ENV SPREED_SIGNALING_VERSION v1.0.0