diff --git a/Dockerfile b/Dockerfile
index 1fc48c3..95d7ac7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,7 +40,7 @@
 
 # Base image pinned by digest so builds are reproducible. Override
 # BASE_IMAGE to rebuild on a newer base. hadolint ignore=DL3006
-ARG BASE_IMAGE="ubuntu:26.04@sha256:c098726dd9b9733f3e885f8de0ef375206a311b0a317eadc40d347b1115fb944"
+ARG BASE_IMAGE="ubuntu:26.04@sha256:6a06111c3b0a8600feadb270aec771dc239bf407b25625f93f44ab00e11f4d3c"
 ARG VERSION="dev"
 ARG COMMIT=""
 
diff --git a/Dockerfile.test-client b/Dockerfile.test-client
index b17c746..99bcc92 100644
--- a/Dockerfile.test-client
+++ b/Dockerfile.test-client
@@ -17,7 +17,7 @@
 # Base image: Override with --build-arg UBUNTU_VERSION=xx.xx
 # Default: the same 26.04 LTS digest the server image pins.
 
-ARG UBUNTU_VERSION=26.04@sha256:c098726dd9b9733f3e885f8de0ef375206a311b0a317eadc40d347b1115fb944
+ARG UBUNTU_VERSION=26.04@sha256:6a06111c3b0a8600feadb270aec771dc239bf407b25625f93f44ab00e11f4d3c
 FROM ubuntu:${UBUNTU_VERSION}
 
 LABEL maintainer="HyperI <opensource@hyperi.io>"