diff --git a/requirements.txt b/requirements.txt
index 1bd5448..98f6ddb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 memory-profiler==0.55.0
 psutil==5.7.3
 objgraph==3.4.1
-Pympler==0.8
+Pympler==1.0.1