diff --git a/firely-validator-api-tests.props b/firely-validator-api-tests.props
index 5af93d1e..1b644154 100644
--- a/firely-validator-api-tests.props
+++ b/firely-validator-api-tests.props
@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <FirelySdkVersion>6.5.0</FirelySdkVersion>
+        <FirelySdkVersion>6.6.0</FirelySdkVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/firely-validator-api.props b/firely-validator-api.props
index c98cddde..eb011d85 100644
--- a/firely-validator-api.props
+++ b/firely-validator-api.props
@@ -2,7 +2,7 @@
 
     <!-- Solution-wide properties for NuGet packaging -->
     <PropertyGroup>
-        <VersionPrefix>3.3.2</VersionPrefix>
+        <VersionPrefix>3.4.1</VersionPrefix>
         <VersionSuffix></VersionSuffix>
         <Authors>Firely</Authors>
         <Company>Firely (https://fire.ly)</Company>
@@ -29,7 +29,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <FirelySdkVersion>6.5.0</FirelySdkVersion>
+        <FirelySdkVersion>6.6.0</FirelySdkVersion>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">