diff --git a/docker/Dockerfile_txsim b/docker/Dockerfile_txsim
index 9a81e7b65e..c3214ff987 100644
--- a/docker/Dockerfile_txsim
+++ b/docker/Dockerfile_txsim
@@ -1,5 +1,5 @@
 # Stage 1: generate celestia-appd 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