diff --git a/docker/Dockerfile_txsim b/docker/Dockerfile_txsim
index 2557bd43eb..8c59bec62a 100644
--- a/docker/Dockerfile_txsim
+++ b/docker/Dockerfile_txsim
@@ -1,5 +1,5 @@
 # Stage 1: generate celestia-appd binary
-FROM --platform=$BUILDPLATFORM docker.io/golang:1.21.1-alpine3.18 as builder
+FROM --platform=$BUILDPLATFORM docker.io/golang:1.21.2-alpine3.18 as builder
 # hadolint ignore=DL3018
 RUN apk update && apk add --no-cache \
     gcc \