diff --git a/Lib9c.Abstractions/Lib9c.Abstractions.csproj b/Lib9c.Abstractions/Lib9c.Abstractions.csproj
index fa98de0bd1..672b543412 100644
--- a/Lib9c.Abstractions/Lib9c.Abstractions.csproj
+++ b/Lib9c.Abstractions/Lib9c.Abstractions.csproj
@@ -6,7 +6,7 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <OutputPath>.bin</OutputPath>
     <IntermediateOutputPath>.obj</IntermediateOutputPath>
-    <VersionPrefix>1.18.0</VersionPrefix>
+    <VersionPrefix>1.19.0</VersionPrefix>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Lib9c.MessagePack/Lib9c.MessagePack.csproj b/Lib9c.MessagePack/Lib9c.MessagePack.csproj
index 13e0319c5c..de51061462 100644
--- a/Lib9c.MessagePack/Lib9c.MessagePack.csproj
+++ b/Lib9c.MessagePack/Lib9c.MessagePack.csproj
@@ -8,7 +8,7 @@
     <Platforms>AnyCPU</Platforms>
     <OutputPath>.bin</OutputPath>
     <IntermediateOutputPath>.obj</IntermediateOutputPath>
-    <VersionPrefix>1.18.0</VersionPrefix>
+    <VersionPrefix>1.19.0</VersionPrefix>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Lib9c.Renderers/Lib9c.Renderers.csproj b/Lib9c.Renderers/Lib9c.Renderers.csproj
index 4b69341bd2..4333aa1094 100644
--- a/Lib9c.Renderers/Lib9c.Renderers.csproj
+++ b/Lib9c.Renderers/Lib9c.Renderers.csproj
@@ -6,7 +6,7 @@
     <Nullable>enable</Nullable>
     <OutputPath>.bin</OutputPath>
     <IntermediateOutputPath>.obj</IntermediateOutputPath>
-    <VersionPrefix>1.18.0</VersionPrefix>
+    <VersionPrefix>1.19.0</VersionPrefix>
     <RootNamespace>Lib9c</RootNamespace>
   </PropertyGroup>
 
diff --git a/Lib9c/Lib9c.csproj b/Lib9c/Lib9c.csproj
index 8a65fd3a81..9c745a7114 100644
--- a/Lib9c/Lib9c.csproj
+++ b/Lib9c/Lib9c.csproj
@@ -9,7 +9,7 @@
     <IntermediateOutputPath>.obj</IntermediateOutputPath>
     <RootNamespace>Nekoyume</RootNamespace>
     <LangVersion>9</LangVersion>
-    <VersionPrefix>1.18.0</VersionPrefix>
+    <VersionPrefix>1.19.0</VersionPrefix>
     <EnableDynamicLoading>true</EnableDynamicLoading>
     <Configurations>Debug;Release</Configurations>
     <Platforms>AnyCPU</Platforms>