diff --git a/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj b/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
index bdafc42d..f40bc6c9 100644
--- a/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
+++ b/src/Microsoft.FeatureManagement.AspNetCore/Microsoft.FeatureManagement.AspNetCore.csproj
@@ -7,7 +7,7 @@
     <MajorVersion>4</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <PreviewVersion>-preview3</PreviewVersion>
+    <PreviewVersion>-preview4</PreviewVersion>
   </PropertyGroup>
 
   <Import Project="..\..\build\Versioning.props" />
diff --git a/src/Microsoft.FeatureManagement.Telemetry.ApplicationInsights/Microsoft.FeatureManagement.Telemetry.ApplicationInsights.csproj b/src/Microsoft.FeatureManagement.Telemetry.ApplicationInsights/Microsoft.FeatureManagement.Telemetry.ApplicationInsights.csproj
index 359a596a..ddb8b32e 100644
--- a/src/Microsoft.FeatureManagement.Telemetry.ApplicationInsights/Microsoft.FeatureManagement.Telemetry.ApplicationInsights.csproj
+++ b/src/Microsoft.FeatureManagement.Telemetry.ApplicationInsights/Microsoft.FeatureManagement.Telemetry.ApplicationInsights.csproj
@@ -6,7 +6,7 @@
     <MajorVersion>4</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <PreviewVersion>-preview3</PreviewVersion>
+    <PreviewVersion>-preview4</PreviewVersion>
   </PropertyGroup>
 
   <Import Project="..\..\build\Versioning.props" />
diff --git a/src/Microsoft.FeatureManagement/Microsoft.FeatureManagement.csproj b/src/Microsoft.FeatureManagement/Microsoft.FeatureManagement.csproj
index 5ffcb495..345d55ce 100644
--- a/src/Microsoft.FeatureManagement/Microsoft.FeatureManagement.csproj
+++ b/src/Microsoft.FeatureManagement/Microsoft.FeatureManagement.csproj
@@ -7,7 +7,7 @@
     <MajorVersion>4</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
-    <PreviewVersion>-preview3</PreviewVersion>
+    <PreviewVersion>-preview4</PreviewVersion>
   </PropertyGroup>
 
   <Import Project="..\..\build\Versioning.props" />