diff --git a/Dockerfile b/Dockerfile
index 15467617..5f2f1f7d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN \
   python3-wheel \
   && pip3 install \
   -r https://raw.githubusercontent.com/zephyrproject-rtos/zephyr/v${ZEPHYR_VERSION}/scripts/requirements-base.txt \
-  && pip3 install cmake \
+  && pip3 install cmake pythonsed pytest pytest-xdist \
   && apt-get remove -y --purge \
   python3-dev \
   python3-pip \
@@ -72,6 +72,7 @@ RUN \
   && pip3 install \
   -r https://raw.githubusercontent.com/zephyrproject-rtos/zephyr/v${ZEPHYR_VERSION}/scripts/requirements-build-test.txt \
   -r https://raw.githubusercontent.com/zephyrproject-rtos/zephyr/v${ZEPHYR_VERSION}/scripts/requirements-run-test.txt \
+  pythonsed pytest pytest-xdist \
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/*