diff --git a/CHANGES.md b/CHANGES.md
index c427dbdfdc2..16c55c6a10a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,30 @@
 Libplanet changelog
 ===================
 
+Version 3.8.0
+-------------
+
+To be released.
+
+### Deprecated APIs
+
+### Backward-incompatible API changes
+
+### Backward-incompatible network protocol changes
+
+### Backward-incompatible storage format changes
+
+### Added APIs
+
+### Behavioral changes
+
+### Bug fixes
+
+### Dependencies
+
+### CLI tools
+
+
 Version 3.7.0
 -------------
 
diff --git a/Libplanet/Libplanet.csproj b/Libplanet/Libplanet.csproj
index 4fc69f5c4c8..67249af6796 100644
--- a/Libplanet/Libplanet.csproj
+++ b/Libplanet/Libplanet.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <PackageId>Libplanet</PackageId>
     <Title>Libplanet</Title>
-    <VersionPrefix>3.7.0</VersionPrefix>
+    <VersionPrefix>3.8.0</VersionPrefix>
     <!-- Note: don't be confused by the word "prefix" here.  It's merely a
     version without suffix like "-dev.123".  See the following examples:
       Version: 1.2.3-dev.456