diff --git a/CHANGELOG.md b/CHANGELOG.md
index 040e18c5635..ab8f6034322 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.5.28
+
+* `Versions`:
+    * `Kotlin`: `1.5.30` -> `1.5.31`
+    * `Klock`: `2.4.1` -> `2.4.2`
+
 ## 0.5.27
 
 * `Versions`:
diff --git a/gradle.properties b/gradle.properties
index 0ebd31583b5..e5d77a2396c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,14 +7,14 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2g
 
-kotlin_version=1.5.30
+kotlin_version=1.5.31
 kotlin_coroutines_version=1.5.2
 kotlin_serialisation_core_version=1.2.2
 kotlin_exposed_version=0.34.2
 
 ktor_version=1.6.3
 
-klockVersion=2.4.1
+klockVersion=2.4.2
 
 github_release_plugin_version=2.2.12
 
@@ -45,5 +45,5 @@ dokka_version=1.5.0
 # Project data
 
 group=dev.inmo
-version=0.5.27
-android_code_version=68
+version=0.5.28
+android_code_version=69
diff --git a/mppAndroidProject.gradle b/mppAndroidProject.gradle
index 7896635e3e0..9afe3f7cd0e 100644
--- a/mppAndroidProject.gradle
+++ b/mppAndroidProject.gradle
@@ -24,3 +24,9 @@ kotlin {
 }
 
 apply from: "$defaultAndroidSettingsPresetPath"
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
+}
diff --git a/mppJavaProject.gradle b/mppJavaProject.gradle
index bbebd5257b3..d3932381466 100644
--- a/mppJavaProject.gradle
+++ b/mppJavaProject.gradle
@@ -26,3 +26,9 @@ kotlin {
         }
     }
 }
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
+}
diff --git a/mppProjectWithSerialization.gradle b/mppProjectWithSerialization.gradle
index 82836b6fec4..221adcab52a 100644
--- a/mppProjectWithSerialization.gradle
+++ b/mppProjectWithSerialization.gradle
@@ -48,3 +48,9 @@ kotlin {
 }
 
 apply from: "$defaultAndroidSettingsPresetPath"
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(8)
+    }
+}