diff --git a/build.gradle.kts b/build.gradle.kts
index d45a844..bfedae9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "com.eidu"
-version = "1.1.1-eidu-3"
+version = "1.1.1-eidu-4"
 
 repositories {
     mavenCentral()
diff --git a/src/commonMain/kotlin/com/quickbirdstudios/nonEmptyCollection/toNonEmptyOr.kt b/src/commonMain/kotlin/com/quickbirdstudios/nonEmptyCollection/toNonEmptyOr.kt
index 8ef068b..fa7da11 100644
--- a/src/commonMain/kotlin/com/quickbirdstudios/nonEmptyCollection/toNonEmptyOr.kt
+++ b/src/commonMain/kotlin/com/quickbirdstudios/nonEmptyCollection/toNonEmptyOr.kt
@@ -11,14 +11,14 @@ import com.quickbirdstudios.nonEmptyCollection.unsafe.toNonEmptyList
 import com.quickbirdstudios.nonEmptyCollection.unsafe.toNonEmptyMap
 import com.quickbirdstudios.nonEmptyCollection.unsafe.toNonEmptySet
 
-fun <T> List<T>.toNonEmptyListOr(
+inline fun <T> List<T>.toNonEmptyListOr(
     alternative: List<T>.() -> NonEmptyList<T>
 ) = if (isEmpty()) alternative() else toNonEmptyList()
 
-fun <T> Set<T>.toNonEmptySetOr(
+inline fun <T> Set<T>.toNonEmptySetOr(
     alternative: Set<T>.() -> NonEmptySet<T>
 ) = if (isEmpty()) alternative() else toNonEmptySet()
 
-fun <K, V> Map<K, V>.toNonEmptyMapOr(
+inline fun <K, V> Map<K, V>.toNonEmptyMapOr(
     alternative: Map<K, V>.() -> NonEmptyMap<K, V>
 ) = if (isEmpty()) alternative() else toNonEmptyMap()