diff --git a/Dockerfile b/Dockerfile
index 05f9d112..e7cb06fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # stage 1 Build blobstream binary
-FROM --platform=$BUILDPLATFORM docker.io/golang:1.21.4-alpine3.18 as builder
+FROM --platform=$BUILDPLATFORM docker.io/golang:1.21.5-alpine3.18 as builder
 
 ARG TARGETOS
 ARG TARGETARCH