diff --git a/vendor/source/igraph b/vendor/source/igraph
index fb81bda14..a662f79d4 160000
--- a/vendor/source/igraph
+++ b/vendor/source/igraph
@@ -1 +1 @@
-Subproject commit fb81bda143ad35aaa50cbc508f917671402c38f6
+Subproject commit a662f79d46970bbcc2888e69dce5daa3fee8906e