diff --git a/android/gradle.properties b/android/gradle.properties
index db11b83cab..f3d972bdd3 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -4,8 +4,8 @@ propMinSdkVersion=15
 propTargetSdkVersion=26
 propCompileSdkVersion=26
 propBuildToolsVersion=27.0.3
-propVersionCode=836
-propVersionName=8.3.6
+propVersionCode=840
+propVersionName=8.4.0
 propDebugNdkFlags=V=1 NDK_DEBUG=1 DEBUG=1
 propReleaseNdkFlags=V=1 NDK_DEBUG=0 PRODUCTION=1
 
diff --git a/xcode/common.xcconfig b/xcode/common.xcconfig
index 7461dca67a..8cb6e987fb 100644
--- a/xcode/common.xcconfig
+++ b/xcode/common.xcconfig
@@ -1,4 +1,4 @@
-CURRENT_PROJECT_VERSION = 8.3.5
+CURRENT_PROJECT_VERSION = 8.4.0
 
 // Paths
 OMIM_ROOT = $(PROJECT_DIR)/../..