diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
index 7611559008..2cfa2fb199 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo.Abp.EntityFrameworkCore.Oracle.csproj
@@ -19,7 +19,7 @@
     </ItemGroup>
 
     <ItemGroup>
-    <!--<PackageReference Include="Oracle.EntityFrameworkCore" Version="3.19.80" />-->
+        <PackageReference Include="Oracle.EntityFrameworkCore" Version="5.21.1" />
     </ItemGroup>
 
 </Project>
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
index 2dd3139a82..31bde60b38 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextConfigurationContextOracleExtensions.cs
@@ -1,26 +1,33 @@
-// using JetBrains.Annotations;
-// using Microsoft.EntityFrameworkCore;
-// using System;
-// using Oracle.EntityFrameworkCore.Infrastructure;
-// using Volo.Abp.EntityFrameworkCore.DependencyInjection;
-//
-// namespace Volo.Abp.EntityFrameworkCore
-// {
-//     public static class AbpDbContextConfigurationContextOracleExtensions
-//     {
-//         public static DbContextOptionsBuilder UseOracle(
-//            [NotNull] this AbpDbContextConfigurationContext context,
-//            [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
-//         {
-//             TODO: UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
-//             if (context.ExistingConnection != null)
-//             {
-//                 return context.DbContextOptions.UseOracle(context.ExistingConnection, oracleOptionsAction);
-//             }
-//             else
-//             {
-//                 return context.DbContextOptions.UseOracle(context.ConnectionString, oracleOptionsAction);
-//             }
-//         }
-//     }
-// }
+using JetBrains.Annotations;
+using Microsoft.EntityFrameworkCore;
+using System;
+using Oracle.EntityFrameworkCore.Infrastructure;
+using Volo.Abp.EntityFrameworkCore.DependencyInjection;
+
+namespace Volo.Abp.EntityFrameworkCore
+{
+    public static class AbpDbContextConfigurationContextOracleExtensions
+    {
+        public static DbContextOptionsBuilder UseOracle(
+           [NotNull] this AbpDbContextConfigurationContext context,
+           [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+        {
+            if (context.ExistingConnection != null)
+            {
+                return context.DbContextOptions.UseOracle(context.ExistingConnection, optionsBuilder =>
+                {
+                    optionsBuilder.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
+                    oracleOptionsAction?.Invoke(optionsBuilder);
+                });
+            }
+            else
+            {
+                return context.DbContextOptions.UseOracle(context.ConnectionString, optionsBuilder =>
+                {
+                    optionsBuilder.UseQuerySplittingBehavior(QuerySplittingBehavior.SplitQuery);
+                    oracleOptionsAction?.Invoke(optionsBuilder);
+                });
+            }
+        }
+    }
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
index f5f9dc7f61..f4817d5ab4 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/AbpDbContextOptionsOracleExtensions.cs
@@ -1,30 +1,30 @@
-// using JetBrains.Annotations;
-// using System;
-// using Oracle.EntityFrameworkCore.Infrastructure;
-//
-// namespace Volo.Abp.EntityFrameworkCore
-// {
-//     public static class AbpDbContextOptionsOracleExtensions
-//     {
-//         public static void UseOracle(
-//                 [NotNull] this AbpDbContextOptions options,
-//                 [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
-//         {
-//             options.Configure(context =>
-//             {
-//                 context.UseOracle(oracleOptionsAction);
-//             });
-//         }
-//
-//         public static void UseOracle<TDbContext>(
-//             [NotNull] this AbpDbContextOptions options,
-//             [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
-//             where TDbContext : AbpDbContext<TDbContext>
-//         {
-//             options.Configure<TDbContext>(context =>
-//             {
-//                 context.UseOracle(oracleOptionsAction);
-//             });
-//         }
-//     }
-// }
+using JetBrains.Annotations;
+using System;
+using Oracle.EntityFrameworkCore.Infrastructure;
+
+namespace Volo.Abp.EntityFrameworkCore
+{
+    public static class AbpDbContextOptionsOracleExtensions
+    {
+        public static void UseOracle(
+                [NotNull] this AbpDbContextOptions options,
+                [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+        {
+            options.Configure(context =>
+            {
+                context.UseOracle(oracleOptionsAction);
+            });
+        }
+
+        public static void UseOracle<TDbContext>(
+            [NotNull] this AbpDbContextOptions options,
+            [CanBeNull] Action<OracleDbContextOptionsBuilder> oracleOptionsAction = null)
+            where TDbContext : AbpDbContext<TDbContext>
+        {
+            options.Configure<TDbContext>(context =>
+            {
+                context.UseOracle(oracleOptionsAction);
+            });
+        }
+    }
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/Oracle/AbpEntityFrameworkCoreOracleModule.cs b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/Oracle/AbpEntityFrameworkCoreOracleModule.cs
index 21fad9375a..b7cbaec1a1 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/Oracle/AbpEntityFrameworkCoreOracleModule.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.Oracle/Volo/Abp/EntityFrameworkCore/Oracle/AbpEntityFrameworkCoreOracleModule.cs
@@ -1,22 +1,20 @@
-// using Volo.Abp.Guids;
-// using Volo.Abp.Modularity;
-//
-// namespace Volo.Abp.EntityFrameworkCore.Oracle
-// {
-//     [DependsOn(
-//         typeof(AbpEntityFrameworkCoreModule)
-//         )]
-//     public class AbpEntityFrameworkCoreOracleModule : AbpModule
-//     {
-//         public override void ConfigureServices(ServiceConfigurationContext context)
-//         {
-//             Configure<AbpSequentialGuidGeneratorOptions>(options =>
-//             {
-//                 if (options.DefaultSequentialGuidType == null)
-//                 {
-//                     options.DefaultSequentialGuidType = SequentialGuidType.SequentialAsBinary;
-//                 }
-//             });
-//         }
-//     }
-// }
+using Volo.Abp.Guids;
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.EntityFrameworkCore.Oracle
+{
+    [DependsOn(typeof(AbpEntityFrameworkCoreModule))]
+    public class AbpEntityFrameworkCoreOracleModule : AbpModule
+    {
+        public override void ConfigureServices(ServiceConfigurationContext context)
+        {
+            Configure<AbpSequentialGuidGeneratorOptions>(options =>
+            {
+                if (options.DefaultSequentialGuidType == null)
+                {
+                    options.DefaultSequentialGuidType = SequentialGuidType.SequentialAsBinary;
+                }
+            });
+        }
+    }
+}
diff --git a/nupkg/common.ps1 b/nupkg/common.ps1
index 16f13513ee..8fcb74149a 100644
--- a/nupkg/common.ps1
+++ b/nupkg/common.ps1
@@ -86,7 +86,7 @@ $projects = (
     "framework/src/Volo.Abp.Emailing",
     "framework/src/Volo.Abp.EntityFrameworkCore",
     "framework/src/Volo.Abp.EntityFrameworkCore.MySQL",
-    # "framework/src/Volo.Abp.EntityFrameworkCore.Oracle",
+    "framework/src/Volo.Abp.EntityFrameworkCore.Oracle",
     "framework/src/Volo.Abp.EntityFrameworkCore.Oracle.Devart",
     "framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql",
     "framework/src/Volo.Abp.EntityFrameworkCore.Sqlite",