diff --git a/compiler/build.gradle.kts b/compiler/build.gradle.kts
index 164e682bc8..d9bafee52a 100644
--- a/compiler/build.gradle.kts
+++ b/compiler/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
     kotlin("jvm")
 
     // Lexing & Parsing
-    id("org.xbib.gradle.plugin.jflex") version "1.7.0"
+    id("org.xbib.gradle.plugin.jflex") version "3.0.2"
 }
 
 /** Dependencies */