diff --git a/Dockerfile b/Dockerfile
index 342e3c3b..fd461be5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM ubuntu:focal as app
 # System requirements
 
 RUN apt-get update && \
-    apt-get upgrade -qy && apt-get install language-pack-en locales git \
-    python3.8-dev python3-virtualenv libmysqlclient-dev libssl-dev build-essential wget unzip -qy && \
+    apt-get upgrade -qy && DEBIAN_FRONTEND=noninteractive apt-get install language-pack-en locales git \
+    python3.8-dev python3-virtualenv libmysqlclient-dev libssl-dev build-essential pkg-config wget unzip -qy && \
     rm -rf /var/lib/apt/lists/*
 
 # Python is Python3.