diff --git a/Dockerfile b/Dockerfile
index 625ee5c..c996af2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM polinux/mkdocs
 
-RUN apk add py3-numpy py3-pandas py3-scipy
+RUN apk add py3-numpy py3-pandas py3-scipy py3-cairo
 
 RUN pip install mkdocs-material
 RUN pip install mkdocs-table-reader-plugin