diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index 6d98ef7..310f058 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -27,6 +27,7 @@ RUN apt-get update \
         vim \
         netcat \
         build-essential \
+        libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Poetry. Respects $POETRY_VERSION and $POETRY_HOME