diff --git a/src/NodaTime.Serialization.SystemTextJson/NodaTime.Serialization.SystemTextJson.csproj b/src/NodaTime.Serialization.SystemTextJson/NodaTime.Serialization.SystemTextJson.csproj
index 98a0f63..b9cee64 100644
--- a/src/NodaTime.Serialization.SystemTextJson/NodaTime.Serialization.SystemTextJson.csproj
+++ b/src/NodaTime.Serialization.SystemTextJson/NodaTime.Serialization.SystemTextJson.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Provides serialization support between Noda Time and System.Text.Json</Description>
-    <Version>1.1.2</Version>
+    <Version>1.2.0</Version>
     <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <PackageTags>nodatime;json</PackageTags>
   </PropertyGroup>