diff --git a/bench/run.cpp b/bench/run.cpp
index 8f78de0..3870f05 100644
--- a/bench/run.cpp
+++ b/bench/run.cpp
@@ -1,7 +1,7 @@
 #include <benchmark/benchmark.h>
 #include <fstream>
-#include <gzip/compress.hpp>
-#include <gzip/decompress.hpp>
+#include "compress.hpp"
+#include "decompress.hpp"
 
 static std::string open_file(std::string const& filename)
 {
diff --git a/include/gzip/compress.hpp b/include/compress.hpp
similarity index 99%
rename from include/gzip/compress.hpp
rename to include/compress.hpp
index 2ec56c2..948d577 100644
--- a/include/gzip/compress.hpp
+++ b/include/compress.hpp
@@ -1,4 +1,4 @@
-#include <gzip/config.hpp>
+#include "config.hpp"
 
 // zlib
 #include <zlib.h>
diff --git a/include/gzip/config.hpp b/include/config.hpp
similarity index 100%
rename from include/gzip/config.hpp
rename to include/config.hpp
diff --git a/include/gzip/decompress.hpp b/include/decompress.hpp
similarity index 99%
rename from include/gzip/decompress.hpp
rename to include/decompress.hpp
index b70670f..d38b759 100644
--- a/include/gzip/decompress.hpp
+++ b/include/decompress.hpp
@@ -1,4 +1,4 @@
-#include <gzip/config.hpp>
+#include "config.hpp"
 
 // zlib
 #include <zlib.h>
diff --git a/include/gzip/utils.hpp b/include/utils.hpp
similarity index 100%
rename from include/gzip/utils.hpp
rename to include/utils.hpp
diff --git a/include/gzip/version.hpp b/include/version.hpp
similarity index 100%
rename from include/gzip/version.hpp
rename to include/version.hpp
diff --git a/test/test_io.cpp b/test/test_io.cpp
index 61d7341..f02f5f8 100644
--- a/test/test_io.cpp
+++ b/test/test_io.cpp
@@ -1,9 +1,9 @@
 #include <catch.hpp>
 #include <fstream>
 #include <limits>
-#include <gzip/compress.hpp>
-#include <gzip/decompress.hpp>
-#include <gzip/utils.hpp>
+#include "compress.hpp"
+#include "decompress.hpp"
+#include "utils.hpp"
 
 TEST_CASE("successful compress")
 {
diff --git a/test/test_version.cpp b/test/test_version.cpp
index 342699b..c5b3c9f 100644
--- a/test/test_version.cpp
+++ b/test/test_version.cpp
@@ -1,5 +1,5 @@
 #include <catch.hpp>
-#include <gzip/version.hpp>
+#include "version.hpp"
 
 TEST_CASE("test version")
 {