diff --git a/haiku-data/yab_documentation/yab_documentation-1.8.0.recipe b/haiku-data/yab_documentation/yab_documentation-1.8.1.recipe
similarity index 87%
rename from haiku-data/yab_documentation/yab_documentation-1.8.0.recipe
rename to haiku-data/yab_documentation/yab_documentation-1.8.1.recipe
index 93cbf7f6d..53ad8b0a2 100644
--- a/haiku-data/yab_documentation/yab_documentation-1.8.0.recipe
+++ b/haiku-data/yab_documentation/yab_documentation-1.8.1.recipe
@@ -3,11 +3,11 @@ DESCRIPTION="Documentation for yab programming language"
 HOMEPAGE="https://software.besly.de/"
 COPYRIGHT="2006-2015 Jan Bungeroth
 	2015-2017 Jim Saxton
-	2020-2021 Lorenz Glaser (lorglas) BeSly Software Solutions"
+	2020-2022 Lorenz Glaser (lorglas) BeSly Software Solutions"
 LICENSE="Artistic"
-REVISION="2"
+REVISION="1"
 SOURCE_URI="https://github.com/lorglas/yab_documentation/archive/$portVersion.tar.gz"
-CHECKSUM_SHA256="06f2ee9c6eaba56aab1d57df62a91ac4db268fe188d6dd0fcf950da632aa0643"
+CHECKSUM_SHA256="8ef9d5b554dc81d2222978f57ceefc8d10932593a6f0653d195eaa4895e8f89b"
 SOURCE_FILENAME="yab_documentation-$portVersion.tar.gz"
 SOURCE_DIR="yab_documentation-$portVersion"
 ADDITIONAL_FILES="