diff --git a/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj b/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
index ec0d2456..f969f11d 100644
--- a/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
+++ b/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
@@ -11,7 +11,7 @@
DnsServerCore.ApplicationCommon
- 5.2
+ 6.0