diff --git a/Terradue.Tep.Hydrology.WebServer/packages.config b/Terradue.Tep.Hydrology.WebServer/packages.config
index 3158ef8..75fdccc 100644
--- a/Terradue.Tep.Hydrology.WebServer/packages.config
+++ b/Terradue.Tep.Hydrology.WebServer/packages.config
@@ -18,7 +18,7 @@
   <package id="NuGet4Mono" version="0.3.0" targetFramework="net45" />
   <package id="NuGet4Mono.Extensions" version="0.3.0" targetFramework="net45" />
   <package id="ProjNet" version="1.2" targetFramework="net45" />
-  <package id="ServiceStack" version="3.9.71" targetFramework="net45" />
+  <package id="ServiceStack" version="5.9.2" targetFramework="net45" />
   <package id="ServiceStack.Common" version="3.9.71" targetFramework="net45" />
   <package id="ServiceStack.OrmLite.SqlServer" version="3.9.71" targetFramework="net45" />
   <package id="ServiceStack.Redis" version="3.9.71" targetFramework="net45" />