diff --git a/docker/Dockerfile b/docker/Dockerfile
index ce2458eb..e244803a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -5,6 +5,8 @@ ENV PYTHONUNBUFFERED=1
 ENV CRYPTOGRAPHY_DONT_BUILD_RUST=1
 WORKDIR /opt/healthchecks
 
+RUN apt update && apt install -y libpq-dev build-essential && rm -rf /var/apt/cache
+
 COPY requirements.txt /tmp
 RUN \
     pip install --no-cache-dir -r /tmp/requirements.txt && \