diff --git a/Source/SimpleAccess.Oracle/SimpleAccess.Oracle.csproj b/Source/SimpleAccess.Oracle/SimpleAccess.Oracle.csproj
index a5bac7a..f011f17 100644
--- a/Source/SimpleAccess.Oracle/SimpleAccess.Oracle.csproj
+++ b/Source/SimpleAccess.Oracle/SimpleAccess.Oracle.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="Current">
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="Current">
   <PropertyGroup>
     <TargetFrameworks>net452;netstandard2.0;netstandard2.1</TargetFrameworks>
     <Version>3.1.0-rc-3.1.0</Version>
@@ -26,7 +26,7 @@
     <DefineConstants>NETCORE;NETSTANDARD;NETSTANDARD2_0</DefineConstants>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.31" />
+    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.80" />
   </ItemGroup>
   <!-- .NET 4.0 references, compilation flags and build options -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
@@ -71,7 +71,7 @@
       <DefineConstants>NETCORE;NETSTANDARD;NETSTANDARD2_1</DefineConstants>
     </PropertyGroup>
     <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.3" />
+    <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="2.19.80" />
     </ItemGroup>
 </Project>
 <!--<?xml version="1.0" encoding="utf-8"?>