diff --git a/Dockerfile b/Dockerfile
index c01cdd9..b79bab1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,7 @@ ENV TZ=Europe/London
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/tim
 
 RUN apt update
+RUN apt install software-properties-common
 RUN apt install -y wget
 RUN apt install -y git
 RUN apt install -y libfftw3-dev