diff --git a/build.gradle b/build.gradle
index 9466307..c3c03cf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -68,6 +68,7 @@ catalog {
         library('jzstd', 'net.woggioni', 'jzstd').versionRef('jzstd')
         library('jwo', 'net.woggioni', 'jwo').versionRef('jwo')
         library('klevtree', 'net.woggioni', 'klevtree').versionRef('klevtree')
+        library('envelope.loader', 'net.woggioni.envelope', 'envelope-loader').versionRef('envelope')
 
         library('lombok', 'org.projectlombok', 'lombok').versionRef('lombok')
         library('kotlin-stdlib-jdk8', 'org.jetbrains.kotlin', 'kotlin-stdlib-jdk8').versionRef('kotlin')