diff --git a/srcpkgs/attic/template b/srcpkgs/attic/template
index 153c0341edc..2a52e536f94 100644
--- a/srcpkgs/attic/template
+++ b/srcpkgs/attic/template
@@ -1,7 +1,7 @@
 # Template file for 'attic'
 pkgname=attic
 version=0.16
-revision=20
+revision=21
 wrksrc="Attic-$version"
 build_style=python3-module
 hostmakedepends="python3-setuptools python3-Cython python3-Sphinx"