diff --git a/nuspec/FluentNHibernate.nuspec b/nuspec/FluentNHibernate.nuspec
index ef30a4e34..68d0fdfcb 100644
--- a/nuspec/FluentNHibernate.nuspec
+++ b/nuspec/FluentNHibernate.nuspec
@@ -16,13 +16,13 @@
     <copyright>Copyright (c) James Gregory and contributors (Paul Batum, Hudson Akridge, Gleb Chermennov, Jorge Rodríguez Galán).</copyright>
     <dependencies>
       <group targetFramework="net461" >
-        <dependency id="NHibernate" version="5.1.1" />
+        <dependency id="NHibernate" version="5.2.4" />
       </group>
       <group targetFramework="netstandard2.0">
-        <dependency id="NHibernate" version="5.1.1" />
+        <dependency id="NHibernate" version="5.2.4" />
       </group>
       <group targetFramework="netcoreapp2.0">
-        <dependency id="NHibernate" version="5.1.1" />
+        <dependency id="NHibernate" version="5.2.4" />
       </group>
     </dependencies>
   </metadata>
diff --git a/nuspec/FluentNHibernate.symbols.nuspec b/nuspec/FluentNHibernate.symbols.nuspec
index bc0815790..7dde0ca64 100644
--- a/nuspec/FluentNHibernate.symbols.nuspec
+++ b/nuspec/FluentNHibernate.symbols.nuspec
@@ -15,7 +15,7 @@
     <tags>ORM DAL NHibernate DataBase ADO.Net Mappings Conventions</tags>
     <copyright>Copyright (c) James Gregory and contributors (Paul Batum, Hudson Akridge, Gleb Chermennov, Jorge Rodríguez Galán).</copyright>
     <dependencies>
-  		<dependency id="NHibernate" version="5.1.1" />
+  		<dependency id="NHibernate" version="5.2.4" />
   	</dependencies>
   </metadata>
   <files>
diff --git a/src/FluentNHibernate/Cfg/Db/SybaseSQLAnywhereConnectionStringBuilder.cs b/src/FluentNHibernate/Cfg/Db/SybaseSQLAnywhereConnectionStringBuilder.cs
index 05f202abf..3a1e4d4a5 100644
--- a/src/FluentNHibernate/Cfg/Db/SybaseSQLAnywhereConnectionStringBuilder.cs
+++ b/src/FluentNHibernate/Cfg/Db/SybaseSQLAnywhereConnectionStringBuilder.cs
@@ -1,4 +1,3 @@
-using System.Data.SqlClient;
 using System.Text;
 
 namespace FluentNHibernate.Cfg.Db
diff --git a/src/Shared.msbuild b/src/Shared.msbuild
index c596727a7..495136f73 100644
--- a/src/Shared.msbuild
+++ b/src/Shared.msbuild
@@ -41,7 +41,7 @@
   </PropertyGroup>
   
   <PropertyGroup Label="Package Versions">
-    <NHibernatePackageVersion>5.1.1</NHibernatePackageVersion>
+    <NHibernatePackageVersion>5.2.4</NHibernatePackageVersion>
   </PropertyGroup>
 
 </Project>
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