diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
index b9693e69d61..8ea811e7cfd 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinCoreEnvironment.kt
@@ -381,7 +381,7 @@ class KotlinCoreEnvironment private constructor(
     }
 
     companion object {
-        private val ideaCompatibleBuildNumber = "172.9999"
+        private val ideaCompatibleBuildNumber = "173.1"
 
         init {
             setCompatibleBuild()