diff --git a/packages/dart/sshnoports/tools/Dockerfile b/packages/dart/sshnoports/tools/Dockerfile
index dce171114..246ec2fc9 100644
--- a/packages/dart/sshnoports/tools/Dockerfile
+++ b/packages/dart/sshnoports/tools/Dockerfile
@@ -1,7 +1,7 @@
 # Dockerfile
 # Build image for a containerized instance of sshnpd
 
-FROM dart:3.6.0@sha256:b677df29e01bca3a2d5bdaffe204498834d56a4ed38ff56c0ac6a42d6541b58e AS buildimage
+FROM dart:3.6.0@sha256:53f3f960fc7ad63f9524125953e63639c10b498dc58f4b04779277e3e9d913c1 AS buildimage
 ENV PACKAGEDIR=packages/dart/sshnoports
 ENV BINARYDIR=/usr/local/at
 SHELL ["/bin/bash", "-c"]
@@ -17,7 +17,7 @@ RUN \
   dart compile exe bin/srv.dart -o ${BINARYDIR}/srv
 
 # Second stage of build FROM debian-slim
-FROM debian:stable-20241202-slim@sha256:4d63ef53faef7bd35c92fbefb1e9e2e7b6777e3cbec6c34f640e96b925e430eb
+FROM debian:stable-20241223-slim@sha256:5f21ebd358442f40099c997a3f4db906a7b1bd872249e67559f55de654b55d3b
 ENV USER=atsign
 ENV HOMEDIR=/${USER}
 ENV BINARYDIR=/usr/local/at
diff --git a/packages/dart/sshnoports/tools/Dockerfile.activate b/packages/dart/sshnoports/tools/Dockerfile.activate
index df0570a3d..2b952c65c 100644
--- a/packages/dart/sshnoports/tools/Dockerfile.activate
+++ b/packages/dart/sshnoports/tools/Dockerfile.activate
@@ -1,6 +1,6 @@
 # Dockerfile.activate
 # Build image for a containerized call of the at_activate binary
-FROM dart:3.6.0@sha256:b677df29e01bca3a2d5bdaffe204498834d56a4ed38ff56c0ac6a42d6541b58e AS buildimage
+FROM dart:3.6.0@sha256:53f3f960fc7ad63f9524125953e63639c10b498dc58f4b04779277e3e9d913c1 AS buildimage
 ENV PACKAGEDIR=packages/dart/sshnoports
 ENV BINARYDIR=/usr/local/at
 SHELL ["/bin/bash", "-c"]
@@ -15,7 +15,7 @@ RUN \
   dart compile exe bin/activate_cli.dart -o ${BINARYDIR}/at_activate
 
 # Second stage of build FROM debian-slim
-FROM debian:stable-20241202-slim@sha256:4d63ef53faef7bd35c92fbefb1e9e2e7b6777e3cbec6c34f640e96b925e430eb
+FROM debian:stable-20241223-slim@sha256:5f21ebd358442f40099c997a3f4db906a7b1bd872249e67559f55de654b55d3b
 ENV USER=atsign
 ENV HOMEDIR=/${USER}
 ENV BINARYDIR=/usr/local/at
diff --git a/packages/dart/sshnoports/tools/Dockerfile.sshnpd-slim b/packages/dart/sshnoports/tools/Dockerfile.sshnpd-slim
index 364f5c88e..d250e401b 100644
--- a/packages/dart/sshnoports/tools/Dockerfile.sshnpd-slim
+++ b/packages/dart/sshnoports/tools/Dockerfile.sshnpd-slim
@@ -9,7 +9,7 @@
 # as of 5th Feb 2024 - Will check state as 3.3 Stable is released
 #FROM dart:beta-sdk AS buildimage
 
-FROM dart:3.6.0@sha256:b677df29e01bca3a2d5bdaffe204498834d56a4ed38ff56c0ac6a42d6541b58e  AS buildimage
+FROM dart:3.6.0@sha256:53f3f960fc7ad63f9524125953e63639c10b498dc58f4b04779277e3e9d913c1  AS buildimage
 ENV PACKAGEDIR=packages/dart/sshnoports
 ENV OPENSSH=tools/static-openssh
 ENV BINARYDIR=/usr/local/at
diff --git a/tests/end2end_tests/image/Dockerfile b/tests/end2end_tests/image/Dockerfile
index 7b8e2149f..8007ea0da 100644
--- a/tests/end2end_tests/image/Dockerfile
+++ b/tests/end2end_tests/image/Dockerfile
@@ -1,5 +1,5 @@
 # BASE
-FROM debian:stable-20241202-slim@sha256:4d63ef53faef7bd35c92fbefb1e9e2e7b6777e3cbec6c34f640e96b925e430eb AS base
+FROM debian:stable-20241223-slim@sha256:5f21ebd358442f40099c997a3f4db906a7b1bd872249e67559f55de654b55d3b AS base
 
 ENV USER=atsign
 ENV HOMEDIR=/${USER}
@@ -26,7 +26,7 @@ RUN set -eux ; \
 
 # BRANCH
 # BUILD BRANCH
-FROM dart:3.6.0@sha256:b677df29e01bca3a2d5bdaffe204498834d56a4ed38ff56c0ac6a42d6541b58e AS build-branch
+FROM dart:3.6.0@sha256:53f3f960fc7ad63f9524125953e63639c10b498dc58f4b04779277e3e9d913c1 AS build-branch
 
 ENV URL=https://github.com/atsign-foundation/noports.git
 ENV REPO_DIR=/app/repo
@@ -65,7 +65,7 @@ ENTRYPOINT cp -r /mount/. ${HOMEDIR} && sudo service ssh start && sh ${HOMEDIR}/
 
 # LOCAL
 # BUILD LOCAL
-FROM dart:3.6.0@sha256:b677df29e01bca3a2d5bdaffe204498834d56a4ed38ff56c0ac6a42d6541b58e AS build-local
+FROM dart:3.6.0@sha256:53f3f960fc7ad63f9524125953e63639c10b498dc58f4b04779277e3e9d913c1 AS build-local
 
 ENV REPO_DIR=/app/repo
 ENV PACKAGE_DIR=${REPO_DIR}/packages/dart/sshnoports
@@ -101,7 +101,7 @@ ENTRYPOINT cp -r /mount/. ${HOMEDIR} && sudo service ssh start && sh ${HOMEDIR}/
 
 # RELEASE
 # BUILD RELEASE
-FROM debian:stable-20241202-slim@sha256:4d63ef53faef7bd35c92fbefb1e9e2e7b6777e3cbec6c34f640e96b925e430eb AS build-release
+FROM debian:stable-20241223-slim@sha256:5f21ebd358442f40099c997a3f4db906a7b1bd872249e67559f55de654b55d3b AS build-release
 
 ARG release