diff --git a/.github/workflows/docker-matrix.yml b/.github/workflows/docker-matrix.yml
index 9fde6e6..b1421dc 100644
--- a/.github/workflows/docker-matrix.yml
+++ b/.github/workflows/docker-matrix.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         image-tag: ['3.12-slim-bullseye']
-        update-strategy: [default, update, unlocked-install, unpegged-install]
+        update-strategy: [default, update, unlocked-install, latest-install]
 
     steps:
     - name: Checkout code
@@ -42,11 +42,11 @@ jobs:
         elif [[ "${{ matrix.update-strategy }}" == "unlocked-install" ]]; then
         
         echo "Running normal test with updated dependencies"
-        docker build --no-cache --build-arg IMAGE_TAG=${{ matrix.image-tag }} --target test-unlocked-install -t zephir-api2:test .
+        docker build --no-cache --build-arg IMAGE_TAG=${{ matrix.image-tag }} --target build-unlocked-test -t zephir-api2:test .
 
-        elif [[ "${{ matrix.update-strategy }}" == "unpegged-install" ]]; then
+        elif [[ "${{ matrix.update-strategy }}" == "latest-install" ]]; then
         
         echo "Running normal test with updated dependencies"
-        docker build --no-cache --build-arg IMAGE_TAG=${{ matrix.image-tag }} --target test-unpegged-install -t zephir-api2:test .
+        docker build --no-cache --build-arg IMAGE_TAG=${{ matrix.image-tag }} --target build-latest-test -t zephir-api2:test .
 
         fi
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 45d5774..8570ef6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -61,38 +61,25 @@ USER app
 RUN poetry run pytest tests
 RUN poetry show
 
-FROM build AS test-unlocked-install
-# Uninstall poetry and install it again
-RUN pip uninstall -y poetry
-# Remove poetry.lock and install dependencies
-RUN rm poetry.lock
-RUN pip install poetry
-RUN poetry install --no-root --without dev && rm -rf ${POETRY_CACHE_DIR};
-RUN poetry install --only dev --no-root && rm -rf ${POETRY_CACHE_DIR};
+FROM poetry AS build-unlocked-test
+COPY pyproject.toml ./
+RUN poetry install --no-root && rm -rf ${POETRY_CACHE_DIR};
 COPY . .
 # Run tests
 USER app
 RUN poetry run pytest tests
 
-FROM build AS test-unpegged-install
-# Uninstall poetry and install it again
-RUN pip uninstall -y poetry
-# Remove poetry.lock and install dependencies
-RUN rm poetry.lock
-## Substitute all numbers in pyproject.toml with *
+FROM poetry AS build-latest-test
+COPY pyproject.toml ./ 
 RUN sed -i 's/\^/>=/g' pyproject.toml
-# Print toml file
-RUN cat pyproject.toml
-RUN pip install poetry
-RUN poetry install --no-root --without dev && rm -rf ${POETRY_CACHE_DIR};
-RUN poetry install --only dev --no-root && rm -rf ${POETRY_CACHE_DIR};
+RUN poetry install --no-root && rm -rf ${POETRY_CACHE_DIR};
 COPY . .
 # Run tests
 USER app
 RUN poetry run pytest tests
+RUN cat pyproject.toml
 RUN poetry show
 
-
 FROM base AS production
 RUN mkdir -p /venv && chown ${UID}:${GID} /venv