diff --git a/.gitmodules b/.gitmodules
index efafc10..4b8b1e9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "matrix-commander"]
 	path = matrix-commander
 	url = https://github.com/8go/matrix-commander
+[submodule "src/cpp-httplib"]
+	path = src/cpp-httplib
+	url = https://github.com/yhirose/cpp-httplib
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e47107a..57b9faa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ endif()
 
 message("Using cmake flags: ${CMAKE_CXX_FLAGS}")
 
-file(GLOB_RECURSE SOURCES src/*.cpp)
+include(src/CMakeLists.txt)
 add_executable(Portfolio ${SOURCES})
 
 target_link_libraries(Portfolio PUBLIC stdc++ jsoncpp)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..9e9179d
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,3 @@
+
+file(GLOB SOURCES src/*.cpp)
+
diff --git a/cpp-httplib b/src/cpp-httplib
similarity index 100%
rename from cpp-httplib
rename to src/cpp-httplib
diff --git a/src/main.cpp b/src/main.cpp
index 0780e97..d4b2ebd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 
-#include "../cpp-httplib/httplib.h"
+#include "cpp-httplib/httplib.h"
 
 #include "files.hpp"
 #include "contact.hpp"