diff --git a/build.gradle b/build.gradle
index 14cf326..c537fc7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
 import de.undercouch.gradle.tasks.download.Download
 
 ext.mpsMajor = '2023.3'
-ext.mpsBuild = '2023.3'
+ext.mpsBuild = '2023.3.1'
 
 def mpsDownloadDir = new File(project.buildDir, "MPS-${mpsBuild}")
 def mpsDownloadFile = new File(mpsDownloadDir, "MPS-${mpsBuild}.zip")