diff --git a/.travis.yml b/.travis.yml
index 2b6b746..3a2f59e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,7 @@ script:
       make &&
       CTEST_OUTPUT_ON_FAILURE=1 make test &&
       rm -r * &&
-      CXX=g++ cmake -DCMAKE_CXX_FLAGS=\"-Werror -DUSE_STANDALONE_ASIO\" .. &&
+      CXX=g++ cmake -DCMAKE_CXX_FLAGS=\"-Werror -O3 -DUSE_STANDALONE_ASIO\" .. &&
       make &&
       CTEST_OUTPUT_ON_FAILURE=1 make test
       "
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58775de..8fbb907 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,4 +49,4 @@ endif()
 enable_testing()
 add_subdirectory(tests)
 
-install(FILES server_http.hpp client_http.hpp server_https.hpp client_https.hpp utility.hpp DESTINATION include/simple-web-server)
+install(FILES server_http.hpp client_http.hpp server_https.hpp client_https.hpp crypto.hpp utility.hpp status_code.hpp DESTINATION include/simple-web-server)