diff --git a/requirements.txt b/requirements.txt
index f6b4544..52f7c89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 boto3==1.13.10
-empyrical==0.5.0
+empyrical==0.5.3
 pyre-check==0.0.39
 pytest==4.6.3
 pyti==0.2.2