diff --git a/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj b/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
index 91f15fdd..90464fcb 100644
--- a/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
+++ b/DnsServerCore.ApplicationCommon/DnsServerCore.ApplicationCommon.csproj
@@ -11,7 +11,8 @@
DnsServerCore.ApplicationCommon
- 7.0
+ 7.1
+ false