diff --git a/Dockerfile b/Dockerfile
index ce54451..35096d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.15.15-buster@sha256:414340e7bfee1b13c72c59e9b0df5488b83b6a5c99c2d806509304ca7ef71350 as build
+FROM golang:1.17.0-buster@sha256:df00207978706cb34c55d0228e88d8e61e8ccd663c1a1b31e9c019adf7da96cd as build
 
 # renovate: datasource=github-tags depName=strukturag/nextcloud-spreed-signaling versioning=semver
 ENV SPREED_SIGNALING_VERSION v0.3.0