diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index bec3d78..b655584 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -92,12 +92,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build
-        env:
-          PROJECT_DOCKER_PLATFORMS: ${{ matrix.platforms }}
-        run: |
-          make build
-
       - name: Test
         env:
           PROJECT_DOCKER_PLATFORMS: ${{ matrix.platforms }}
diff --git a/.gitignore b/.gitignore
index f7aeca7..d1f7f10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,9 @@
 Icon
 Network Trash Folder
 Temporary Items
+
+#
+# PROJECT
+#
+
+tmp/history/.bash_history
diff --git a/Makefile b/Makefile
index 95f45f8..3330092 100644
--- a/Makefile
+++ b/Makefile
@@ -22,8 +22,12 @@ PROJECT_COMMIT ?= $(shell git rev-parse HEAD)
 PROJECT_NAME ?= $(error PROJECT_NAME is not set)
 PROJECT_VERSION ?= $(strip \
 	$(if \
-		$(shell git rev-list --tags --max-count=1), \
-		$(shell git describe --tags `git rev-list --tags --max-count=1`), \
+		$(value $CI), \
+		$(if \
+			$(shell git rev-list --tags --max-count=1), \
+			$(shell git describe --tags `git rev-list --tags --max-count=1`), \
+			$(shell git rev-parse --short HEAD) \
+		), \
 		$(shell git rev-parse --short HEAD) \
 	) \
 )
@@ -33,7 +37,7 @@ PROJECT_VERSION ?= $(strip \
 #
 
 PROJECT_DOCKER_BUILDER := builder-$(PROJECT_NAME)
-PROJECT_DOCKER_CACHE_BACKEND ?= local
+PROJECT_DOCKER_CACHE_BACKEND ?= inline
 PROJECT_DOCKER_HOST ?= index.docker.io
 PROJECT_DOCKER_ORG ?= $(error PROJECT_DOCKER_ORG is not set)
 PROJECT_DOCKER_PLATFORMS ?= linux/arm64,linux/amd64
@@ -44,7 +48,7 @@ PROJECT_DOCKER_REPOSITORY ?= $(PROJECT_NAME)
 #
 
 DEFAULT_LANG ?= C.UTF-8
-DEFAULT_USER_PRIMARY_GROUP ?= developers
+DEFAULT_USER_PRIMARY_GROUP ?= dev
 DEFAULT_USER_SECONDARY_GROUPS ?= sudo,docker
 DEFAULT_USER_SHELL ?= /bin/bash
 DEFAULT_USER ?= dev
@@ -156,21 +160,21 @@ reset: clean
 	|| echo -n ""
 
 .PHONY: test
-test:
+test: build
 	@for platform in `echo ${PROJECT_DOCKER_PLATFORMS} | tr ',' ' '`; do \
 		arch="$$(echo $$platform | cut -d/ -f2)"; \
-		echo "Testing $(PROJECT_NAME)-test:$$arch"; \
+		echo "Testing $(PROJECT_NAME)-$(PROJECT_VERSION)-test:$$arch"; \
 		docker build \
 			--build-arg PROJECT_NAME="$(PROJECT_NAME)" \
 			--build-arg PROJECT_VERSION="$(PROJECT_VERSION)-$$arch" \
-			--cache-from type=gha \
-          	--cache-to type=gha,mode=max \
+			--cache-from "type=$(PROJECT_DOCKER_CACHE_BACKEND)" \
+			--cache-to "type=$(PROJECT_DOCKER_CACHE_BACKEND),mode=max" \
 			--file "$(SOURCE_DIR)/Dockerfile.test" \
 			--platform "$$platform" \
-			--tag "$(PROJECT_NAME)-test:$$arch" \
+			--tag "$(PROJECT_NAME)-test:$(PROJECT_VERSION)-$$arch" \
 			. \
 		&& docker run \
 			--platform "$$platform" \
 			--rm \
-			"$(PROJECT_NAME)-test:$$arch"; \
+			"$(PROJECT_NAME)-test:$(PROJECT_VERSION)-$$arch"; \
 	done
diff --git a/src/Dockerfile b/src/Dockerfile
index 91ff24c..f556687 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -26,7 +26,7 @@ ARG PROJECT_VERSION
 #
 
 ARG DEFAULT_LANG="C.UTF-8"
-ARG DEFAULT_USER_PRIMARY_GROUP="developers"
+ARG DEFAULT_USER_PRIMARY_GROUP="dev"
 ARG DEFAULT_USER_SECONDARY_GROUPS="sudo,docker"
 ARG DEFAULT_USER_SHELL="/bin/bash"
 ARG DEFAULT_USER="dev"
@@ -78,11 +78,16 @@ RUN export DEBIAN_FRONTEND="noninteractive" \
         libffi-dev \
         liblzma-dev \
         libncursesw5-dev \
+        libprocps-dev \
         libreadline-dev \
         libsqlite3-dev \
         libssl-dev \
+        libxi-dev \
+        libxi6 \
         libxml2-dev \
         libxmlsec1-dev \
+        libxtst-dev \
+        libxtst6 \
         locales \
         lsb-release \
         make \
@@ -110,9 +115,9 @@ RUN locale-gen "${DEFAULT_LANG}" \
 # INSTALL DOCKER
 #
 
-ENV VERSION_DOCKER_CLI="25.0.0-1"
-ENV VERSION_DOCKER_BUILDX_PLUGIN="0.12.1-1"
-ENV VERSION_DOCKER_COMPOSE_PLUGIN="2.24.1-1"
+ENV VERSION_DOCKER_CLI="26.1.4-1"
+ENV VERSION_DOCKER_BUILDX_PLUGIN="0.14.1-1"
+ENV VERSION_DOCKER_COMPOSE_PLUGIN="2.27.1-1"
 ENV FILENAME_DOCKER_SUFFIX="ubuntu.${VERSION_UBUNTU}~${VERSION_UBUNTU_NAME}_${TARGETARCH}.deb"
 ENV FILENAME_DOCKER_CLI="docker-ce-cli_${VERSION_DOCKER_CLI}~${FILENAME_DOCKER_SUFFIX}"
 ENV FILENAME_DOCKER_BUILDX_PLUGIN="docker-buildx-plugin_${VERSION_DOCKER_BUILDX_PLUGIN}~${FILENAME_DOCKER_SUFFIX}"
@@ -145,7 +150,7 @@ RUN curl -sSL -o /usr/local/bin/hadolint "${URL_HADOLINT}" \
 # INSTALL GIT DELTA
 #
 
-ENV VERSION_GIT_DELTA="0.16.5"
+ENV VERSION_GIT_DELTA="0.17.0"
 ENV FILENAME_GIT_DELTA="git-delta_${VERSION_GIT_DELTA}_${TARGETARCH}.deb"
 ENV URL_GIT_DELTA_BASE="https://github.com/dandavison/delta/releases/download/${VERSION_GIT_DELTA}"
 ENV URL_GIT_DELTA="${URL_GIT_DELTA_BASE}/${FILENAME_GIT_DELTA}"
@@ -230,13 +235,21 @@ ENV PATH="${PYENV_ROOT}/bin:$PATH"
 
 RUN curl -fsSL https://pyenv.run | bash
 
+#
+# INSTALL RBENV
+#
+
+ENV PATH="${HOME}/.rbenv/bin:${PATH}"
+
+RUN curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash
+
 #
 # OTHER TOOLS
 #
 
-ENV VERSION_CHECKOV="3.2.16"
-ENV VERSION_POETRY="1.7.1"
-ENV VERSION_PRECOMMIT="3.6.0"
+ENV VERSION_CHECKOV="3.2.136"
+ENV VERSION_POETRY="1.8.3"
+ENV VERSION_PRECOMMIT="3.7.1"
 
 #
 # PYTHON
diff --git a/tests/unittest.bats b/tests/unittest.bats
index 0cc17f8..c66f064 100644
--- a/tests/unittest.bats
+++ b/tests/unittest.bats
@@ -28,8 +28,8 @@
     [ "$status" -eq 0 ]
 }
 
-@test "developers is the primary group of dev user" {
-    run bash -c "id dev | grep -E 'gid=[0-9]+\(developers\)'"
+@test "dev is the primary group of dev user" {
+    run bash -c "id dev | grep -E 'gid=[0-9]+\(dev\)'"
     [ "$status" -eq 0 ]
 }
 
@@ -48,7 +48,7 @@
 #
 
 @test "sudo is configured" {
-    run ls /etc/sudoers.d/developers
+    run ls /etc/sudoers.d/dev
     [ "$status" -eq 0 ]
 }
 
@@ -116,6 +116,11 @@
     [ "$status" -eq 0 ]
 }
 
+@test "rbenv is installed" {
+    run which rbenv
+    [ "$status" -eq 0 ]
+}
+
 @test "starship is installed" {
     run which starship
     [ "$status" -eq 0 ]