diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 871dbaf..0d5a203 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM francomelandri/lib-tiny-fp-builder:0.24.0
+FROM francomelandri/tiny-cpp-builder:0.0.1
 
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && apt-get -y install --no-install-recommends git
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index b519e25..73017e8 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,23 +1,6 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/cpp
-{
+s{
 	"name": "C++",
 	"build": {
 		"dockerfile": "Dockerfile"
 	}
-
-	// Features to add to the dev container. More info: https://containers.dev/features.
-	// "features": {},
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "gcc -v",
-
-	// Configure tool-specific properties.
-	// "customizations": {},
-
-	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-	// "remoteUser": "root"
 }
diff --git a/build/Dockerfile.rel b/build/Dockerfile.rel
index 0996893..3acb930 100644
--- a/build/Dockerfile.rel
+++ b/build/Dockerfile.rel
@@ -1,4 +1,4 @@
-FROM francomelandri/lib-tiny-fp-builder:0.24.0
+FROM francomelandri/tiny-cpp-builder:0.0.1
 
 WORKDIR /tinyfp/src
 COPY ./src .
diff --git a/build/Dockerfile.test b/build/Dockerfile.test
index b0947d0..852aa86 100644
--- a/build/Dockerfile.test
+++ b/build/Dockerfile.test
@@ -1,4 +1,4 @@
-FROM skanrayeu/skanable-builder:0.1.1
+FROM francomelandri/tiny-cpp-builder:0.0.1
 
 #
 # copy source files
diff --git a/build/Dockerfile.ubuntu24 b/build/Dockerfile.ubuntu24
index 2200b25..a7121c4 100644
--- a/build/Dockerfile.ubuntu24
+++ b/build/Dockerfile.ubuntu24
@@ -1,12 +1,13 @@
 #
 # this build should run in ubuntu 20.04
-FROM ubuntu:24.10
+FROM ubuntu:24.04
 
 #
 # installing library to build solution
 RUN apt update
 RUN apt upgrade -y
 RUN apt install build-essential -y
+RUN apt install cmake -y
 RUN apt install -y ccache
 RUN DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt -y install tzdata
 RUN apt install wget -y
diff --git a/version b/version
index 6c6aa7c..6da28dd 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.1.0
\ No newline at end of file
+0.1.1
\ No newline at end of file