diff --git a/Dockerfile b/Dockerfile
index 9ffd761bcf..274aa13f71 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,8 @@
 #
 # Separating the builder and runtime image allows the runtime image to be
 # considerably smaller because it doesn't need to have Golang installed.
-ARG BUILDER_IMAGE=docker.io/golang:1.22.2-alpine3.18
-ARG RUNTIME_IMAGE=docker.io/alpine:3.19.1
+ARG BUILDER_IMAGE=docker.io/golang:1.22.2-alpine3.19
+ARG RUNTIME_IMAGE=docker.io/alpine:3.19
 ARG TARGETOS
 ARG TARGETARCH
 
diff --git a/docker/Dockerfile_txsim b/docker/Dockerfile_txsim
index a28c98d9b5..06702fb5bd 100644
--- a/docker/Dockerfile_txsim
+++ b/docker/Dockerfile_txsim
@@ -1,5 +1,5 @@
 # Stage 1: generate celestia-appd binary
-FROM --platform=$BUILDPLATFORM docker.io/golang:1.22.2-alpine3.18 as builder
+FROM --platform=$BUILDPLATFORM docker.io/golang:1.22.2-alpine3.19 as builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -23,7 +23,7 @@ RUN uname -a &&\
     make build && make txsim-build
 
 # Stage 2: create a minimal image with the binary
-FROM docker.io/alpine:3.19.1
+FROM docker.io/alpine:3.19
 
 # Use UID 10,001 because UIDs below 10,000 are a security risk.
 # Ref: https://github.com/hexops/dockerfile/blob/main/README.md#do-not-use-a-uid-below-10000
diff --git a/test/testground/Dockerfile b/test/testground/Dockerfile
index ab09518ac8..5d6b153488 100644
--- a/test/testground/Dockerfile
+++ b/test/testground/Dockerfile
@@ -1,6 +1,6 @@
 # BUILD_BASE_IMAGE is the base image to use for the build. It contains a rolling
 # accumulation of Go build/package caches.
-ARG BUILD_BASE_IMAGE=docker.io/golang:1.22.2-alpine3.18
+ARG BUILD_BASE_IMAGE=docker.io/golang:1.22.2-alpine3.19
 # This Dockerfile performs a multi-stage build and RUNTIME_IMAGE is the image
 # onto which to copy the resulting binary.
 #
@@ -9,7 +9,7 @@ ARG BUILD_BASE_IMAGE=docker.io/golang:1.22.2-alpine3.18
 #
 # The user can override the runtime image by passing in the appropriate builder
 # configuration option.
-ARG RUNTIME_IMAGE=alpine:3.18
+ARG RUNTIME_IMAGE=alpine:3.19
 
 #:::
 #::: BUILD CONTAINER