diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2b5d8cb..63073d3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -55,7 +55,7 @@ pkginfo==1.5.0.1
 pluggy==0.13.0
 prompt-toolkit==2.0.10
 ptyprocess==0.6.0
-py==1.8.0
+py==1.10.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
 Pygments==2.4.2