diff --git a/.abf.yml b/.abf.yml
index 5a593a6..2d7c05e 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  plantuml-1.2023.8.tar.gz: 40775782067f4f6afdcfd667e818faccb90f57be
+  plantuml-1.2023.9.tar.gz: a2b738249d29333b414714eaee1ac97bfcd161d9
diff --git a/plantuml.spec b/plantuml.spec
index 1930167..4fa13fb 100644
--- a/plantuml.spec
+++ b/plantuml.spec
@@ -2,7 +2,7 @@
 %define		debug_package %nil
 
 Name:		plantuml
-Version:	1.2023.8
+Version:	1.2023.9
 Release:	1
 Summary:	Generate diagrams from textual description
 URL:		https://plantuml.com