diff --git a/RelaseNotes.md b/RelaseNotes.md
index 49b1dd4..32cb94f 100644
--- a/RelaseNotes.md
+++ b/RelaseNotes.md
@@ -1,3 +1,11 @@
+1.15
+- Default severity of analyzers should be warning to be suppressable.
+
+1.14
+- Introduce InitRule for "init only" properties; 
+- Default severity is now Error.
+- Remove the outdated sonar-based suppressor.
+
 1.13
 - Adjust colors to better match VS2022
 
diff --git a/src/directory.build.props b/src/directory.build.props
index 41b7ee0..61ff8b9 100644
--- a/src/directory.build.props
+++ b/src/directory.build.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <Version>1.14.0</Version>
+    <Version>1.15.0</Version>
     <LangVersion>11.0</LangVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>