diff --git a/Dockerfile b/Dockerfile
index 27142f6..10afad8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && apt-get install -yqq \
 	&& apt-get clean \
 	&& rm -rf /var/lib/apt/lists/*
 
-RUN pip install igraph
+RUN apt-get update && apt install -yqq python3-igraph
 
 RUN apt-get update && apt-get install -yqq \
 	cimg-dev \