diff --git a/assets/elasticsearch/Dockerfile b/assets/elasticsearch/Dockerfile
index 6ca38cd..7fb90da 100644
--- a/assets/elasticsearch/Dockerfile
+++ b/assets/elasticsearch/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/y-scope/clp/clp-core-dependencies-x86-ubuntu-jammy:main
+FROM ubuntu:jammy
 
 RUN apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install -y \
diff --git a/assets/gzip/Dockerfile b/assets/gzip/Dockerfile
index 18ea6a5..7835459 100644
--- a/assets/gzip/Dockerfile
+++ b/assets/gzip/Dockerfile
@@ -2,12 +2,12 @@
 # dependencies
 
 # If there is any dedicated image available, you should build the benchmarking image on top of that
-FROM ghcr.io/y-scope/clp/clp-core-dependencies-x86-ubuntu-jammy:main
+FROM ubuntu@sha256:1ec65b2719518e27d4d25f104d93f9fac60dc437f81452302406825c46fcc9cb
 
 # Install necessary packages
 RUN apt-get update \
-    && DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y --allow-downgrades \
     tmux \
     vim \
-    gzip
+    gzip=1.10-4ubuntu4.1
 
diff --git a/assets/overhead_test/Dockerfile b/assets/overhead_test/Dockerfile
index 2428ce5..3237030 100644
--- a/assets/overhead_test/Dockerfile
+++ b/assets/overhead_test/Dockerfile
@@ -2,7 +2,7 @@
 # dependencies
 
 # If there is any dedicated image available, you should build the benchmarking image on top of that
-FROM ghcr.io/y-scope/clp/clp-core-dependencies-x86-ubuntu-jammy:main
+FROM ubuntu:jammy
 
 # Install necessary packages
 RUN apt-get update \
diff --git a/assets/template/Dockerfile b/assets/template/Dockerfile
index 2428ce5..3237030 100644
--- a/assets/template/Dockerfile
+++ b/assets/template/Dockerfile
@@ -2,7 +2,7 @@
 # dependencies
 
 # If there is any dedicated image available, you should build the benchmarking image on top of that
-FROM ghcr.io/y-scope/clp/clp-core-dependencies-x86-ubuntu-jammy:main
+FROM ubuntu:jammy
 
 # Install necessary packages
 RUN apt-get update \