diff --git a/open-cue-service.csproj b/open-cue-service.csproj
index 14ed0f2..ee10033 100644
--- a/open-cue-service.csproj
+++ b/open-cue-service.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <Title>Open CUE Service</Title>
-    <Version>0.5.0</Version>
+    <Version>1.0.0</Version>
     <Authors>Legion2</Authors>
     <Description>HTTP REST API service for Open CUE CLI</Description>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
diff --git a/src/Startup.cs b/src/Startup.cs
index 3c7e358..04351aa 100644
--- a/src/Startup.cs
+++ b/src/Startup.cs
@@ -37,7 +37,7 @@ public void ConfigureServices(IServiceCollection services)
                 document.DocumentName = "openapi";
                 document.Title = "Open CUE Service";
                 document.Description = "HTTP REST API service for Open CUE CLI";
-                document.Version = "0.5.0";
+                document.Version = "1.0.0";
             });
         }