diff --git a/gradle.properties b/gradle.properties
index cbe434d..0882646 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,8 +1,8 @@
 # sytleguide
 kotlin.code.style=official
 
-# Kotlin 1.4.30-RC: https://github.com/korlibs/easy-kotlin-mpp-gradle-plugin
-easyPluginVersion=0.12.5
+# Kotlin 1.4.30: https://github.com/korlibs/easy-kotlin-mpp-gradle-plugin
+easyPluginVersion=0.13.0
 
 # version
 group=com.soywiz.korlibs.klock
diff --git a/klock/src/commonMain/kotlin/com/soywiz/klock/DateTime.kt b/klock/src/commonMain/kotlin/com/soywiz/klock/DateTime.kt
index f7f7d5c..888b39c 100644
--- a/klock/src/commonMain/kotlin/com/soywiz/klock/DateTime.kt
+++ b/klock/src/commonMain/kotlin/com/soywiz/klock/DateTime.kt
@@ -422,8 +422,8 @@ inline class DateTime(
     override fun toString(): String = DateFormat.DEFAULT_FORMAT.format(this)
 }
 
-fun max(a: DateTime, b: DateTime): DateTime = DateTime.fromUnix(max(a.unixMillis, b.unixMillis))
-fun min(a: DateTime, b: DateTime): DateTime = DateTime.fromUnix(min(a.unixMillis, b.unixMillis))
+fun max(a: DateTime, b: DateTime): DateTime = DateTime.fromUnix(max2(a.unixMillis, b.unixMillis))
+fun min(a: DateTime, b: DateTime): DateTime = DateTime.fromUnix(min2(a.unixMillis, b.unixMillis))
 fun DateTime.clamp(min: DateTime, max: DateTime): DateTime = when {
     this < min -> min
     this > max -> max
diff --git a/klock/src/commonMain/kotlin/com/soywiz/klock/TimeSpan.kt b/klock/src/commonMain/kotlin/com/soywiz/klock/TimeSpan.kt
index fdab2df..ed7914a 100644
--- a/klock/src/commonMain/kotlin/com/soywiz/klock/TimeSpan.kt
+++ b/klock/src/commonMain/kotlin/com/soywiz/klock/TimeSpan.kt
@@ -208,8 +208,8 @@ inline class TimeSpan(
 fun TimeSpan.toTimeString(components: Int = 3, addMilliseconds: Boolean = false): String =
     TimeSpan.toTimeString(milliseconds, components, addMilliseconds)
 
-fun max(a: TimeSpan, b: TimeSpan): TimeSpan = max(a.milliseconds, b.milliseconds).milliseconds
-fun min(a: TimeSpan, b: TimeSpan): TimeSpan = min(a.milliseconds, b.milliseconds).milliseconds
+fun max(a: TimeSpan, b: TimeSpan): TimeSpan = max2(a.milliseconds, b.milliseconds).milliseconds
+fun min(a: TimeSpan, b: TimeSpan): TimeSpan = min2(a.milliseconds, b.milliseconds).milliseconds
 fun TimeSpan.clamp(min: TimeSpan, max: TimeSpan): TimeSpan = when {
     this < min -> min
     this > max -> max
diff --git a/klock/src/commonMain/kotlin/com/soywiz/klock/internal/internal.kt b/klock/src/commonMain/kotlin/com/soywiz/klock/internal/internal.kt
index 4528950..8e6d9af 100644
--- a/klock/src/commonMain/kotlin/com/soywiz/klock/internal/internal.kt
+++ b/klock/src/commonMain/kotlin/com/soywiz/klock/internal/internal.kt
@@ -89,3 +89,12 @@ internal class Moduler(val value: Double) {
 }
 
 internal infix fun Double.intDiv(other: Double) = floor(this / other)
+
+@PublishedApi internal fun min2(a: Int, b: Int) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Int, b: Int) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Float, b: Float) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Float, b: Float) = if (a > b) a else b
+
+@PublishedApi internal fun min2(a: Double, b: Double) = if (a < b) a else b
+@PublishedApi internal fun max2(a: Double, b: Double) = if (a > b) a else b
diff --git a/klock/src/commonTest/kotlin/com/soywiz/klock/DateTimeRangeSetTest.kt b/klock/src/commonTest/kotlin/com/soywiz/klock/DateTimeRangeSetTest.kt
index 16a8e15..2021930 100644
--- a/klock/src/commonTest/kotlin/com/soywiz/klock/DateTimeRangeSetTest.kt
+++ b/klock/src/commonTest/kotlin/com/soywiz/klock/DateTimeRangeSetTest.kt
@@ -1,5 +1,6 @@
 package com.soywiz.klock
 
+import com.soywiz.klock.internal.*
 import kotlin.math.max
 import kotlin.math.min
 import kotlin.random.Random
@@ -33,7 +34,7 @@ class DateTimeRangeSetTest {
 		fun randomRange(): DateTimeRange {
 			val a = random.nextInt(min, max)
 			val b = random.nextInt(min, max)
-			return range(min(a, b), max(a, b))
+			return range(min2(a, b), max2(a, b))
 		}
 		return (0 until count).map { randomRange() }
 	}