diff --git a/requirements.txt b/requirements.txt
index f674fe7..edd5401 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy==1.14.2
 argparse==1.1
-python-igraph==0.7.1
+python-igraph==0.7.1.post7
 scipy==1.0.1
 XlsxWriter==1.0.2
 pandas==0.22.0
diff --git a/setup.py b/setup.py
index 33408b8..2dc9bdb 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
     install_requires=[
         "pandas >= 0.22.0",
         "numpy >= 1.14.2",
-        "python-igraph == 0.7.1",
+        "python-igraph == 0.7.1.post7",
         "scipy == 1.0.1",
         "XlsxWriter == 1.0.2",
     ],