diff --git a/versions.properties b/versions.properties
index d97d551ab74..48e83cbd7fa 100644
--- a/versions.properties
+++ b/versions.properties
@@ -15,7 +15,8 @@
 
 asciidoctorj=2.5.10
 ant=1.10.15
-asciidoctorDiagram=2.3.1
+# later asciidoctorDiagram versions seem to break some diagrams
+asciidoctorDiagram=2.2.10
 asciidoctorPdf=2.3.18
 asciidoctorGroovyDsl=2.0.2
 asm=9.7