diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 2598b11..ea23266 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['9', '10', '11']
+        version: ['10', '11']
     
     env:
       CC: gcc-${{ matrix.version }}
@@ -64,7 +64,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['10', '11', '12']
+        version: ['10', '11', '12', '13']
     
     env:
       CC: clang-${{ matrix.version }}
diff --git a/cmake/testing.cmake b/cmake/testing.cmake
index 7a7314a..634aa6c 100644
--- a/cmake/testing.cmake
+++ b/cmake/testing.cmake
@@ -9,6 +9,7 @@ enable_testing()
 include_directories(include)
 add_executable(simple_websocket_test test/SimpleWebSocketTests.cpp)
 target_link_libraries(simple_websocket_test Catch2::Catch2 Poco::Net)
+target_compile_options(simple_websocket_test PRIVATE -Wall -Werror -Wno-deprecated-enum-enum-conversion)
 include(CTest)
 include(Catch)
 catch_discover_tests(simple_websocket_test)
\ No newline at end of file
diff --git a/simple_websocket.hpp b/simple_websocket.hpp
index 2fc0e3b..7d3aa0d 100644
--- a/simple_websocket.hpp
+++ b/simple_websocket.hpp
@@ -268,12 +268,19 @@ namespace SimpleWebSocket::Poco {
         webSocket_.close();
       }
 
-      [[nodiscard]]
-      std::span<char> receive(int &flags) {
+      [[nodiscard]] std::span<char> receive(int &flags) {
         char buffer[SIZE];
         int bytesReceived = webSocket_.receiveFrame(buffer, SIZE, flags);
         return {buffer, static_cast<size_t>(bytesReceived)};
       }
+      
+      int send(const std::string &message, int opCode) {
+        return webSocket_.sendFrame(message.c_str(), static_cast<int>(message.length()), opCode);
+      }
+      
+      int send(std::span<char> buffer, int opCode) {
+        return webSocket_.sendBytes(buffer.data(), static_cast<int>(buffer.size()), opCode);
+      }
 
     private:
       ::Poco::Net::WebSocket webSocket_;