diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 40a47634..890f3ac8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ npm-publish = { id = "dev.petuska.npm.publish", version = "3.4.2" }
 modelix-mps-buildtools = { id = "org.modelix.mps.build-tools", version.ref = "modelixBuildtools" }
 
 [versions]
-modelixCore = "9.1.0"
+modelixCore = "8.16.1"
 modelixBuildtools="1.7.3"
 
 [libraries]