diff --git a/Dockerfile b/Dockerfile
index a9307aa..cef173c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19@sha256:9613596d7405705447f36440a59a3a2a1d22384c7568ae1838d0129964c5ba13 AS builder
+FROM golang:1.21@sha256:a0e3e6859220ee48340c5926794ce87a891a1abb51530573c694317bf8f72543 AS builder
 
 ENV GO111MODULE=on \
     CGO_ENABLED=0 \