diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00d8a1b..0704b03 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 include(debug_flags)
 
 add_subdirectory(src)
+add_subdirectory(include)
 
 if(WITH_TESTS)
   add_subdirectory(tests)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
new file mode 100644
index 0000000..5594349
--- /dev/null
+++ b/include/CMakeLists.txt
@@ -0,0 +1,6 @@
+include(GNUInstallDirs)
+
+# The trailing / is important.
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/"
+  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}"
+  FILES_MATCHING PATTERN "*.hpp")