diff --git a/data-loader/Dockerfile b/data-loader/Dockerfile
index e429866..9e652e5 100644
--- a/data-loader/Dockerfile
+++ b/data-loader/Dockerfile
@@ -11,7 +11,7 @@ COPY "test-data/KNMI/20221231.nc" "/test-data/KNMI/20221231.nc"
 # hadolint ignore=DL3013
 RUN apt-get update \
     && apt-get -y upgrade \
-    && apt-get -y install build-essential \
+    && apt-get -y install --no-install-recommends build-essential \
     # Cleanup
     && rm -rf /usr/tmp  \
     && apt-get autoremove -y \
@@ -21,6 +21,7 @@ RUN apt-get update \
 COPY "${PROJECT_DATASTORE_PATH}/protobuf/datastore.proto" "/protobuf/datastore.proto"
 COPY "${PROJECT_PYTHON_PATH}/requirements.txt" "${DOCKER_PATH}/requirements.txt"
 
+# hadolint ignore=DL3013
 RUN pip install --no-cache-dir --upgrade pip \
     && pip install --no-cache-dir --upgrade -r "${DOCKER_PATH}/requirements.txt"
 
diff --git a/examples/clients/python/Dockerfile b/examples/clients/python/Dockerfile
index c584c2b..1a7625f 100644
--- a/examples/clients/python/Dockerfile
+++ b/examples/clients/python/Dockerfile
@@ -18,6 +18,7 @@ RUN apt-get update \
 COPY "${PROJECT_DATASTORE_PATH}/protobuf/datastore.proto" "/protobuf/datastore.proto"
 COPY "${PROJECT_PYTHON_PATH}/requirements.txt" "${DOCKER_PATH}/requirements.txt"
 
+# hadolint ignore=DL3013
 RUN pip install --no-cache-dir --upgrade pip \
     && pip install --no-cache-dir --upgrade -r "${DOCKER_PATH}/requirements.txt"
 
diff --git a/integration-test/Dockerfile b/integration-test/Dockerfile
index d8bae28..e5e0b11 100644
--- a/integration-test/Dockerfile
+++ b/integration-test/Dockerfile
@@ -18,6 +18,7 @@ RUN apt-get update \
 COPY "${PROJECT_DATASTORE_PATH}/protobuf/datastore.proto" "/protobuf/datastore.proto"
 COPY "${PROJECT_PYTHON_PATH}/requirements.txt" "${DOCKER_PATH}/requirements.txt"
 
+# hadolint ignore=DL3013
 RUN pip install --no-cache-dir --upgrade pip \
     && pip install --no-cache-dir --upgrade -r "${DOCKER_PATH}/requirements.txt"