diff --git a/build.gradle.kts b/build.gradle.kts
index 7915da93fe2..36803a72865 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-  kotlin("jvm") version "1.4.20" apply false
+  kotlin("jvm") version "1.4.30" apply false
   id("org.jetbrains.dokka") version "0.10.0" apply false
   id("com.gradle.plugin-publish") version "0.11.0" apply false
   id("com.github.gmazzo.buildconfig") version "2.0.2" apply false
diff --git a/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt b/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
index 551f809e5ff..f133d38aa95 100644
--- a/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
+++ b/kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt
@@ -180,7 +180,7 @@ class PowerAssertCallTransformer(
                   }
                   parent = scope.parent
                 }
-                val expression = IrFunctionExpressionImpl(-1, -1, parameters[1].type, lambda, IrStatementOrigin.LAMBDA)
+                val expression = IrFunctionExpressionImpl(original.startOffset, original.endOffset, parameters[1].type, lambda, IrStatementOrigin.LAMBDA)
                 irCall(overload, type = overload.owner.returnType).apply {
                   dispatchReceiver = original.dispatchReceiver?.deepCopyWithSymbols(parent)
                   extensionReceiver = original.extensionReceiver?.deepCopyWithSymbols(parent)
diff --git a/sample/build.gradle.kts b/sample/build.gradle.kts
index 174428d60ad..cc921295ed6 100644
--- a/sample/build.gradle.kts
+++ b/sample/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-  kotlin("multiplatform") version "1.4.20"
+  kotlin("multiplatform") version "1.4.30"
   id("com.bnorm.power.kotlin-power-assert") version "0.6.1"
 }
 
diff --git a/sample/gradlew b/sample/gradlew
old mode 100644
new mode 100755