diff --git a/src/Cortex.Streams.MSSqlServer/Cortex.Streams.MSSqlServer.csproj b/src/Cortex.Streams.MSSqlServer/Cortex.Streams.MSSqlServer.csproj
index 7a6d362..13fb809 100644
--- a/src/Cortex.Streams.MSSqlServer/Cortex.Streams.MSSqlServer.csproj
+++ b/src/Cortex.Streams.MSSqlServer/Cortex.Streams.MSSqlServer.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net9.0;net8.0;net7.0</TargetFrameworks>
+		<TargetFrameworks>net9.0;net8.0</TargetFrameworks>
 
 		<AssemblyVersion>1.0.1</AssemblyVersion>
 		<FileVersion>1.0.1</FileVersion>
diff --git a/src/Cortex.Streams.MongoDb/Cortex.Streams.MongoDb.csproj b/src/Cortex.Streams.MongoDb/Cortex.Streams.MongoDb.csproj
index a315882..97807be 100644
--- a/src/Cortex.Streams.MongoDb/Cortex.Streams.MongoDb.csproj
+++ b/src/Cortex.Streams.MongoDb/Cortex.Streams.MongoDb.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net9.0;net8.0;net7.0</TargetFrameworks>
+		<TargetFrameworks>net9.0;net8.0</TargetFrameworks>
 
 		<AssemblyVersion>1.0.1</AssemblyVersion>
 		<FileVersion>1.0.1</FileVersion>
diff --git a/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator.cs b/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator.cs
index 52f11f0..f663e18 100644
--- a/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator.cs
+++ b/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator.cs
@@ -8,6 +8,7 @@
 using System.Linq;
 using System.Security.Cryptography;
 using System.Text;
+using System.Threading;
 
 namespace Cortex.Streams.MongoDb
 {
diff --git a/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator_Typed.cs b/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator_Typed.cs
index 83e8b96..3c65c94 100644
--- a/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator_Typed.cs
+++ b/src/Cortex.Streams.MongoDb/MongoDbCDCSourceOperator_Typed.cs
@@ -8,6 +8,7 @@
 using System.Security.Cryptography;
 using System.Text;
 using Cortex.States;
+using System.Threading;
 
 namespace Cortex.Streams.MongoDb
 {
diff --git a/src/Cortex.Streams.PostgreSQL/Cortex.Streams.PostgreSQL.csproj b/src/Cortex.Streams.PostgreSQL/Cortex.Streams.PostgreSQL.csproj
index 4b9cd24..cecee4b 100644
--- a/src/Cortex.Streams.PostgreSQL/Cortex.Streams.PostgreSQL.csproj
+++ b/src/Cortex.Streams.PostgreSQL/Cortex.Streams.PostgreSQL.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>net9.0;net8.0;net7.0</TargetFrameworks>
+		<TargetFrameworks>net9.0;net8.0</TargetFrameworks>
 
 		<AssemblyVersion>1.0.1</AssemblyVersion>
 		<FileVersion>1.0.1</FileVersion>