diff --git a/Assets/VRM/UniVRM/Editor/Format/VRMVersionMenu.cs b/Assets/VRM/UniVRM/Editor/Format/VRMVersionMenu.cs
index 4d95a9a52..f8aa3d059 100644
--- a/Assets/VRM/UniVRM/Editor/Format/VRMVersionMenu.cs
+++ b/Assets/VRM/UniVRM/Editor/Format/VRMVersionMenu.cs
@@ -19,7 +19,7 @@ namespace VRM
         public const int MAJOR = {0};
         public const int MINOR = {1};
         public const int PATCH = {2};
-        public const string PRE_ID = {3};
+        public const string PRE_ID = ""{3}"";
 
         public const string VERSION = ""{0}.{1}.{2}{4}"";
     }}
diff --git a/Assets/VRM/UniVRM/Scripts/Format/VRMVersion.cs b/Assets/VRM/UniVRM/Scripts/Format/VRMVersion.cs
index b5e27b1cd..82de0f959 100644
--- a/Assets/VRM/UniVRM/Scripts/Format/VRMVersion.cs
+++ b/Assets/VRM/UniVRM/Scripts/Format/VRMVersion.cs
@@ -4,10 +4,10 @@ namespace VRM
     public static partial class VRMVersion
     {
         public const int MAJOR = 0;
-        public const int MINOR = 51;
+        public const int MINOR = 52;
         public const int PATCH = 0;
         public const string PRE_ID = "";
 
-        public const string VERSION = "0.51.0";
+        public const string VERSION = "0.52.0";
     }
 }