diff --git a/requirements.txt b/requirements.txt
index 353e99d..1911b8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy==1.19.2
 scipy==1.5.2
-python_igraph==0.9.0
+python_igraph==0.9.11
 pyunicorn==0.6.1