diff --git a/compiler/fir/raw-fir/fir-common/build.gradle.kts b/compiler/fir/raw-fir/fir-common/build.gradle.kts
index 854785254f3..ed723ed8c02 100644
--- a/compiler/fir/raw-fir/fir-common/build.gradle.kts
+++ b/compiler/fir/raw-fir/fir-common/build.gradle.kts
@@ -12,6 +12,7 @@ dependencies {
     compile(project(":compiler:psi"))
     compile(project(":core:descriptors"))
     compile(project(":compiler:fir:tree"))
+    compile("org.jetbrains.kotlinx:kotlinx-collections-immutable:0.2")
 
     compileOnly(intellijCoreDep()) { includeJars("intellij-core", "guava", rootProject = rootProject) }