diff --git a/Dockerfile b/Dockerfile
index 48f2a1d..8b61d96 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM golang:1.20.3@sha256:bcc311ec9655c350df3899611fdf134806f97a3e3b2c06c2b5c0696428503814
+FROM golang:1.21.5@sha256:135ba6c2ae2a9a022f53f3eee24ef213bc62e876811cd9582b91045168206873
 
 COPY scip-go /usr/bin/