diff --git a/requirements.txt b/requirements.txt
index 70d8890..f1de879 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ pyre-check==0.0.27
 pytest==4.6.3
 pyti==0.2.2
 safety==1.8.5
-yapf==0.27.0
\ No newline at end of file
+yapf==0.28.0
\ No newline at end of file