diff --git a/jre/Dockerfile.22.04 b/jre/Dockerfile.22.04
index 67132a7..1183d3a 100644
--- a/jre/Dockerfile.22.04
+++ b/jre/Dockerfile.22.04
@@ -5,7 +5,7 @@ ARG GROUP=app
 ARG GID=101
 ARG CHISEL_VERSION=0.10.0
 
-FROM public.ecr.aws/ubuntu/ubuntu:$UBUNTU_RELEASE@sha256:5e6b26346abf7a45d499fb2752a90d77bb11046b81644cdac508539a41835cb3 AS builder
+FROM public.ecr.aws/ubuntu/ubuntu:$UBUNTU_RELEASE@sha256:78d99e21d570afdd81ffa2c30c5eb7b65bcfaaf7d34b6bcd895e7b741b091bc7 AS builder
 ARG USER
 ARG UID
 ARG GROUP
diff --git a/tests/pdfbox/Dockerfile b/tests/pdfbox/Dockerfile
index 3a5c275..f9ecf7c 100644
--- a/tests/pdfbox/Dockerfile
+++ b/tests/pdfbox/Dockerfile
@@ -7,7 +7,7 @@ ARG GID=101
 ARG CHISEL_VERSION=0.10.0
 ARG TARGETARCH=amd64
 
-FROM public.ecr.aws/ubuntu/ubuntu:$UBUNTU_RELEASE@sha256:5e6b26346abf7a45d499fb2752a90d77bb11046b81644cdac508539a41835cb3 AS builder
+FROM public.ecr.aws/ubuntu/ubuntu:$UBUNTU_RELEASE@sha256:78d99e21d570afdd81ffa2c30c5eb7b65bcfaaf7d34b6bcd895e7b741b091bc7 AS builder
 ARG CHISEL_VERSION
 ARG TARGETARCH
 ADD https://github.com/canonical/chisel/releases/download/v${CHISEL_VERSION}/chisel_v${CHISEL_VERSION}_linux_${TARGETARCH}.tar.gz chisel.tar.gz