diff --git a/dockerfile-build_cache b/dockerfile-build_cache
index 2dc4e4e..9f947e4 100644
--- a/dockerfile-build_cache
+++ b/dockerfile-build_cache
@@ -47,7 +47,8 @@ RUN export DEBIAN_FRONTEND=noninteractive \
     libffi-dev \
     python3-dev \
     cargo \
-    pkg-config || true
+    pkg-config \
+    libpq-dev || true
 
 
 RUN pip install --upgrade pip