diff --git a/dependency/proto/Protos.csproj b/dependency/proto/Protos.csproj
index ca955964..9b4b0412 100755
--- a/dependency/proto/Protos.csproj
+++ b/dependency/proto/Protos.csproj
@@ -14,7 +14,7 @@
   </ItemGroup>-->
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.25.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.26.1" />
     <PackageReference Include="Google.Protobuf.Tools" Version="3.26.1" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
diff --git a/logic/Client/Client.csproj b/logic/Client/Client.csproj
index af63ae9c..f5b667b8 100644
--- a/logic/Client/Client.csproj
+++ b/logic/Client/Client.csproj
@@ -15,7 +15,7 @@
   <ItemGroup>
 	<PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="FrameRateTask" Version="1.2.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.25.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.26.1" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
   </ItemGroup>
diff --git a/logic/ClientTest/ClientTest.csproj b/logic/ClientTest/ClientTest.csproj
index 8eb0bda1..9e7974e7 100644
--- a/logic/ClientTest/ClientTest.csproj
+++ b/logic/ClientTest/ClientTest.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.25.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.26.1" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
   </ItemGroup>
diff --git a/logic/Preparation/Preparation.csproj b/logic/Preparation/Preparation.csproj
index 4c69bd75..8d6f6435 100644
--- a/logic/Preparation/Preparation.csproj
+++ b/logic/Preparation/Preparation.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 	
 	<ItemGroup>
-		<PackageReference Include="Google.Protobuf" Version="3.25.3" />
+		<PackageReference Include="Google.Protobuf" Version="3.26.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/logic/Server/Server.csproj b/logic/Server/Server.csproj
index 6c17d8bd..3fcd9f04 100644
--- a/logic/Server/Server.csproj
+++ b/logic/Server/Server.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="FrameRateTask" Version="1.2.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.25.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.26.1" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
     <PackageReference Include="Grpc.Tools" Version="2.62.0">
diff --git a/playback/Playback/Playback.csproj b/playback/Playback/Playback.csproj
index a0ef2bbd..1fc191c3 100644
--- a/playback/Playback/Playback.csproj
+++ b/playback/Playback/Playback.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.25.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.26.1" />
   </ItemGroup>
 
   <ItemGroup>