diff --git a/.gitmodules b/.gitmodules
index b18f643..d49fb06 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "lib/sprout"]
-	path = lib/sprout
-	url = https://github.com/bolero-MURAKAMI/Sprout.git
 [submodule "lib/Catch2"]
 	path = lib/Catch2
 	url = https://github.com/catchorg/Catch2.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b1b63e8..43607b7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,18 @@
 cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
-project(duckhandy)
+project(duckhandy VERSION 0.1.0)
 list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
 
 include(shared_git_project)
 include(CTest)
 
+find_package(Sprout REQUIRED)
+
 set(DUCKHANDY_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
+if (BUILD_TESTING)
+	set(BUILD_TESTS CACHE BOOL ON)
+else()
+	set(BUILD_TESTS CACHE BOOL OFF)
+endif()
 
 add_library(${PROJECT_NAME} INTERFACE)
 
@@ -25,8 +32,11 @@ target_compile_features(${PROJECT_NAME}
 
 target_include_directories(${PROJECT_NAME}
 	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include
-	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/lib/sprout
 )
+target_include_directories(${PROJECT_NAME} SYSTEM
+	INTERFACE ${SPROUT_INCLUDE_DIRS}
+)
+
 target_compile_definitions(${PROJECT_NAME}
 	INTERFACE SPROUT_NO_CXX11_NUMERIC_LIMITS
 	INTERFACE SPROUT_USE_TEMPLATE_ALIASES
@@ -35,3 +45,8 @@ target_compile_definitions(${PROJECT_NAME}
 if (BUILD_TESTING)
 	add_subdirectory(test/unit)
 endif()
+
+install(
+	DIRECTORY include/duckhandy
+	DESTINATION include
+)
diff --git a/include/duckhandy/implem/int_conv.hpp b/include/duckhandy/implem/int_conv.hpp
index 9203a91..bb869fe 100644
--- a/include/duckhandy/implem/int_conv.hpp
+++ b/include/duckhandy/implem/int_conv.hpp
@@ -19,9 +19,9 @@
 #define id4754A95F12BE4ADEA65642A056A51907
 
 #include "duckhandy/implem/reversed_sized_array_bt.hpp"
-#include "sprout/math/log10.hpp"
-#include "sprout/math/abs.hpp"
-#include "sprout/math/ceil.hpp"
+#include <sprout/math/log10.hpp>
+#include <sprout/math/abs.hpp>
+#include <sprout/math/ceil.hpp>
 #include <cstddef>
 #include <array>
 #include <limits>
diff --git a/include/duckhandy/lexical_cast.hpp b/include/duckhandy/lexical_cast.hpp
index 3a63d85..af855fe 100644
--- a/include/duckhandy/lexical_cast.hpp
+++ b/include/duckhandy/lexical_cast.hpp
@@ -22,11 +22,11 @@
 #include "sequence_bt.hpp"
 #include "MaxSizedArray.hpp"
 #include "has_method.hpp"
-#include "sprout/math/log10.hpp"
-#include "sprout/math/log2.hpp"
-#include "sprout/math/pow.hpp"
-#include "sprout/math/abs.hpp"
-#include "sprout/limits.hpp"
+#include <sprout/math/log10.hpp>
+#include <sprout/math/log2.hpp>
+#include <sprout/math/pow.hpp>
+#include <sprout/math/abs.hpp>
+#include <sprout/limits.hpp>
 #include <type_traits>
 #include <utility>
 #include <cstdint>
diff --git a/lib/Catch2 b/lib/Catch2
index c9de7dd..89f5f84 160000
--- a/lib/Catch2
+++ b/lib/Catch2
@@ -1 +1 @@
-Subproject commit c9de7dd12d2971c63f9d32ce5459eb98f2fec13d
+Subproject commit 89f5f8435176aad44624442b7f1e874a513bee67
diff --git a/lib/sprout b/lib/sprout
deleted file mode 160000
index 8274f34..0000000
--- a/lib/sprout
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8274f34db498b02bff12277bac5416ea72e018cd