diff --git a/prepare/compiler/build.gradle.kts b/prepare/compiler/build.gradle.kts
index 83a0383d8d0..02f13c38fc6 100644
--- a/prepare/compiler/build.gradle.kts
+++ b/prepare/compiler/build.gradle.kts
@@ -68,7 +68,7 @@ dependencies {
     fatJarContents(commonDep("org.fusesource.jansi", "jansi"))
     fatJarContents(protobufFull())
     fatJarContents(commonDep("com.google.code.findbugs", "jsr305"))
-    fatJarContents(commonDep("io.javaslang", "javaslang"))
+    fatJarContents(commonDep("io.javaslang", "javaslang")) { isTransitive = false }
     fatJarContents(preloadedDeps("kotlinx-coroutines-core"))
 
     proguardLibraryJars(files(firstFromJavaHomeThatExists("lib/rt.jar", "../Classes/classes.jar"),