diff --git a/4_keys_instances/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj b/4_keys_instances/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
index e3a0c2d..fa11530 100644
--- a/4_keys_instances/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
+++ b/4_keys_instances/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
   </ItemGroup>
 
 </Project>
diff --git a/4_keys_instances/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj b/4_keys_instances/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
index 26b818c..98eb39e 100644
--- a/4_keys_instances/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
+++ b/4_keys_instances/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/4_keys_instances/csharp/TemperingApplication/TemperingApplication.csproj b/4_keys_instances/csharp/TemperingApplication/TemperingApplication.csproj
index 26b818c..98eb39e 100644
--- a/4_keys_instances/csharp/TemperingApplication/TemperingApplication.csproj
+++ b/4_keys_instances/csharp/TemperingApplication/TemperingApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/5_basic_qos/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj b/5_basic_qos/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
index e3a0c2d..fa11530 100644
--- a/5_basic_qos/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
+++ b/5_basic_qos/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
   </ItemGroup>
 
 </Project>
diff --git a/5_basic_qos/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj b/5_basic_qos/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
index 53ade99..302fc79 100644
--- a/5_basic_qos/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
+++ b/5_basic_qos/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/5_basic_qos/csharp/TemperingApplication/TemperingApplication.csproj b/5_basic_qos/csharp/TemperingApplication/TemperingApplication.csproj
index 53ade99..302fc79 100644
--- a/5_basic_qos/csharp/TemperingApplication/TemperingApplication.csproj
+++ b/5_basic_qos/csharp/TemperingApplication/TemperingApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/6_content_filters/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj b/6_content_filters/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
index e3a0c2d..fa11530 100644
--- a/6_content_filters/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
+++ b/6_content_filters/csharp/ChocolateFactoryTypes/ChocolateFactoryTypes.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
   </ItemGroup>
 
 </Project>
diff --git a/6_content_filters/csharp/IngredientApplication/IngredientApplication.csproj b/6_content_filters/csharp/IngredientApplication/IngredientApplication.csproj
index 2377349..b88afc0 100644
--- a/6_content_filters/csharp/IngredientApplication/IngredientApplication.csproj
+++ b/6_content_filters/csharp/IngredientApplication/IngredientApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/6_content_filters/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj b/6_content_filters/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
index 2377349..b88afc0 100644
--- a/6_content_filters/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
+++ b/6_content_filters/csharp/MonitoringCtrlApplication/MonitoringCtrlApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>
 
diff --git a/6_content_filters/csharp/TemperingApplication/TemperingApplication.csproj b/6_content_filters/csharp/TemperingApplication/TemperingApplication.csproj
index 39087cb..c8ba69b 100644
--- a/6_content_filters/csharp/TemperingApplication/TemperingApplication.csproj
+++ b/6_content_filters/csharp/TemperingApplication/TemperingApplication.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Rti.ConnextDds" Version="7.3.0" />
+    <PackageReference Include="Rti.ConnextDds" Version="7.3.1" />
     <PackageReference Include="System.CommandLine.DragonFruit" Version="0.3.0-alpha.20303.1" />
   </ItemGroup>