diff --git a/.abf.yml b/.abf.yml
index 0386f18..e600af4 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  plantuml-1.2023.11.tar.gz: 1ed04ca9cfbb491e75233f514b10b81f4b10d005
+  plantuml-1.2023.12.tar.gz: 4ad2d04024c67ff2ebf04d824e0d1e9a6faec4ad
diff --git a/plantuml.spec b/plantuml.spec
index e5652d4..88821eb 100644
--- a/plantuml.spec
+++ b/plantuml.spec
@@ -2,7 +2,7 @@
 %define		debug_package %nil
 
 Name:		plantuml
-Version:	1.2023.11
+Version:	1.2023.12
 Release:	1
 Summary:	Generate diagrams from textual description
 URL:		https://plantuml.com