diff --git a/srcpkgs/python3-isbnlib/template b/srcpkgs/python3-isbnlib/template
index 3ca66ed74d..d8eaa48e2a 100644
--- a/srcpkgs/python3-isbnlib/template
+++ b/srcpkgs/python3-isbnlib/template
@@ -1,7 +1,7 @@
 # Template file for 'python3-isbnlib'
 pkgname=python3-isbnlib
 version=3.9.6
-revision=3
+revision=4
 wrksrc="isbnlib-${version}"
 build_style=python3-module
 hostmakedepends="python3-setuptools"