diff --git a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
index d259277..0953cdf 100644
--- a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
+++ b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
@@ -52,6 +52,8 @@ val chatIdToMessageIdentifierSerializer = PairSerializer(
 
 val messageContentSerializer = PolymorphicSerializer<MessageContent>(MessageContent::class)
 
+inline fun <K> KeyValueRepo<K, MessageContent>.asMessageContentCache() = SimpleKeyValueMessageContentCache(this)
+
 inline fun KeyValueRepo<String, String>.asMessageContentCache(
     serialFormatCreator: (SerializersModule) -> StringFormat = { Json { serializersModule = it } }
 ): StandardKeyValueRepo<Pair<ChatId, MessageIdentifier>, MessageContent> {
diff --git a/mppJavaProject.gradle b/mppJavaProject.gradle
index f5eb0d4..5f6d62d 100644
--- a/mppJavaProject.gradle
+++ b/mppJavaProject.gradle
@@ -5,7 +5,11 @@ apply from: "$publishGradlePath"
 
 kotlin {
     jvm {
-        compilations.main.kotlinOptions.useIR = true
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
     }
 
     sourceSets {
diff --git a/mppProjectWithSerialization.gradle b/mppProjectWithSerialization.gradle
index 4a910eb..d22d10b 100644
--- a/mppProjectWithSerialization.gradle
+++ b/mppProjectWithSerialization.gradle
@@ -4,7 +4,13 @@ project.group = "$group"
 apply from: "$publishGradlePath"
 
 kotlin {
-    jvm()
+    jvm {
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
+    }
     js (IR) {
         browser()
         nodejs()