diff --git a/Directory.Build.props b/Directory.Build.props
index 50f11b4178483..13aff82cb7724 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -74,7 +74,7 @@
 
     <!-- Indicates this is not an officially supported release. Release branches should set this to false. -->
     <!-- Keep it in sync with PRERELEASE in eng/native/configureplatform.cmake -->
-    <IsPrerelease>false</IsPrerelease>
+    <IsPrerelease>true</IsPrerelease>
 
     <!-- Experimental packages should not be stable -->
     <SuppressFinalPackageVersion Condition="'$(SuppressFinalPackageVersion)' == '' and $(MSBuildProjectName.Contains('Experimental'))">true</SuppressFinalPackageVersion>
diff --git a/eng/native/configureplatform.cmake b/eng/native/configureplatform.cmake
index 23024a5f2daf6..8c4ddff8d2390 100644
--- a/eng/native/configureplatform.cmake
+++ b/eng/native/configureplatform.cmake
@@ -3,7 +3,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/functions.cmake)
 
 # If set, indicates that this is not an officially supported release
 # Keep in sync with IsPrerelease in Directory.Build.props
-set(PRERELEASE 0)
+set(PRERELEASE 1)
 
 #----------------------------------------
 # Detect and set platform variable names