diff --git a/postssystem.exposed/build.gradle b/postssystem.exposed/build.gradle
index f5b86387..7e510dbf 100644
--- a/postssystem.exposed/build.gradle
+++ b/postssystem.exposed/build.gradle
@@ -54,7 +54,7 @@ kotlin {
         }
         jvmMain {
             dependencies {
-                implementation kotlin('stdlib')
+                implementation kotlin('stdlib-jdk8')
             }
         }
 
@@ -67,7 +67,7 @@ kotlin {
 
         jsMain {
             dependencies {
-                implementation kotlin('stdlib')
+                implementation kotlin('stdlib-js')
             }
         }
     }
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt b/postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
rename to postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ChannelsSizes.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt b/postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
rename to postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPI.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt b/postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
rename to postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPI.kt
diff --git a/postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt b/postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
similarity index 100%
rename from postssystem.exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
rename to postssystem.exposed/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/exposed/QueryExtensions.kt
diff --git a/postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt b/postssystem.exposed/src/commonTest/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
similarity index 100%
rename from postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
rename to postssystem.exposed/src/commonTest/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedContentAPICommonTests.kt
diff --git a/postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt b/postssystem.exposed/src/commonTest/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt
similarity index 100%
rename from postssystem.exposed/src/test/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt
rename to postssystem.exposed/src/commonTest/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsAPICommonTests.kt