diff --git a/requirements.txt b/requirements.txt
index 474a34a..d70d6af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 numpy==1.18.1
 pandas==0.25.3
-pymemcache==3.5.0
+pymemcache==3.5.1