diff --git a/kotlinc/build.gradle.kts b/kotlinc/build.gradle.kts
index a5793cccd..0d3a47be9 100644
--- a/kotlinc/build.gradle.kts
+++ b/kotlinc/build.gradle.kts
@@ -36,7 +36,7 @@ dependencies {
     runtimeOnly("org.jetbrains.kotlin:kotlin-reflect:1.7.20")
 
     implementation("org.fusesource.jansi:jansi:2.4.0")
-    implementation("it.unimi.dsi:fastutil:8.5.9")
+    implementation("it.unimi.dsi:fastutil:8.5.11")
     implementation("org.jline:jline:3.21.0")
     implementation("one.util:streamex:0.8.1")