diff --git a/requirements.txt b/requirements.txt
index 1bd5448..e788f74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 memory-profiler==0.55.0
 psutil==5.7.3
-objgraph==3.4.1
+objgraph==3.6.0
 Pympler==0.8