diff --git a/requirements-dev.txt b/requirements-dev.txt
index a0781e1..e3570cf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -23,7 +23,7 @@ pre-commit==1.21.0
 pretend==1.0.8
 prompt-toolkit==3.0.5
 ptyprocess==0.6.0
-py==1.8.1
+py==1.11.0
 Pygments==2.7.4
 pyparsing==2.4.7
 pytest==5.4.1