diff --git a/build.gradle b/build.gradle
index c114201..7ce2a5b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,6 +14,7 @@ catalog {
         version('jmath', '2023.05')
         version('jzstd', '2023.03')
         version('klevtree', '2023.03')
+        version('jlevtree', '2023.05')
         version('my-gradle-plugins', '2023.01')
         version('envelope', '2023.03.04')
 
@@ -73,6 +74,7 @@ catalog {
         library('jwo', 'net.woggioni', 'jwo').versionRef('jwo')
         library('jmath', 'net.woggioni', 'jmath').versionRef('jmath')
         library('klevtree', 'net.woggioni', 'klevtree').versionRef('klevtree')
+        library('jlevtree', 'net.woggioni', 'jlevtree').versionRef('jlevtree')
         library('envelope.loader', 'net.woggioni.envelope', 'envelope-loader').versionRef('envelope')
 
         library('lombok', 'org.projectlombok', 'lombok').versionRef('lombok')
diff --git a/gradle.properties b/gradle.properties
index ceb58ea..cab91bd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1 @@
-lys.catalog.version = 2023.05
\ No newline at end of file
+lys.catalog.version = 2023.05.19
\ No newline at end of file