diff --git a/setup.py b/setup.py
index 2d96300..d0abe69 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ def read(*parts):
 
 install_requires = [
     "click==7.1.*",
-    "graphviz==0.14.*",
+    "graphviz>=0.14,<0.17",
     "protobuf==3.13.*"
 ]