diff --git a/dev.txt b/dev.txt
index 2131029..9649282 100644
--- a/dev.txt
+++ b/dev.txt
@@ -13,7 +13,7 @@ bumpversion==0.6.0
 certifi==2019.11.28
 cffi==1.14.5
 chardet==3.0.4
-check-manifest==0.48
+check-manifest==0.49
 click==8.0.4
 colorama==0.4.3
 coverage==6.5.0