diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac4c5ba..6e5601b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,5 +20,5 @@ install(TARGETS argparse EXPORT argparseConfig)
 install(EXPORT argparseConfig
         NAMESPACE argparse::
         DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/argparse)
-install(FILES ${CMAKE_CURRENT_LIST_DIR}/include/argparse.hpp
+install(FILES ${CMAKE_CURRENT_LIST_DIR}/include/argparse/argparse.hpp
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/argparse)
diff --git a/README.md b/README.md
index 4ef9375..d57d411 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 Simply include argparse.hpp and you're good to go.
 
 ```cpp
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 ```
 
 To start parsing command-line arguments, create an ```ArgumentParser```. 
@@ -44,7 +44,7 @@ Argparse supports a variety of argument types including positional, optional, an
 Here's an example of a ***positional argument***:
 
 ```cpp
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 int main(int argc, char *argv[]) {
   argparse::ArgumentParser program("program name");
diff --git a/include/argparse.hpp b/include/argparse/argparse.hpp
similarity index 100%
rename from include/argparse.hpp
rename to include/argparse/argparse.hpp
diff --git a/test/test_actions.cpp b/test/test_actions.cpp
index 82bd75e..6d624af 100644
--- a/test/test_actions.cpp
+++ b/test/test_actions.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_compound_arguments.cpp b/test/test_compound_arguments.cpp
index 52be3c4..7f67547 100644
--- a/test/test_compound_arguments.cpp
+++ b/test/test_compound_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 #include <test_utility.hpp>
 
 using doctest::test_suite;
diff --git a/test/test_container_arguments.cpp b/test/test_container_arguments.cpp
index 77eba61..69258dd 100644
--- a/test/test_container_arguments.cpp
+++ b/test/test_container_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 #include <test_utility.hpp>
 
 using doctest::test_suite;
diff --git a/test/test_help.cpp b/test/test_help.cpp
index e1312c7..25b87af 100644
--- a/test/test_help.cpp
+++ b/test/test_help.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_invalid_arguments.cpp b/test/test_invalid_arguments.cpp
index 9a3ac59..a51be95 100644
--- a/test/test_invalid_arguments.cpp
+++ b/test/test_invalid_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_issue_37.cpp b/test/test_issue_37.cpp
index 15b7154..1ac3b7f 100644
--- a/test/test_issue_37.cpp
+++ b/test/test_issue_37.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_negative_numbers.cpp b/test/test_negative_numbers.cpp
index 2eeadd1..4bac6ec 100644
--- a/test/test_negative_numbers.cpp
+++ b/test/test_negative_numbers.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_optional_arguments.cpp b/test/test_optional_arguments.cpp
index 57523b7..a31d5df 100644
--- a/test/test_optional_arguments.cpp
+++ b/test/test_optional_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_parent_parsers.cpp b/test/test_parent_parsers.cpp
index 83dc1fa..2077265 100644
--- a/test/test_parent_parsers.cpp
+++ b/test/test_parent_parsers.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_parse_args.cpp b/test/test_parse_args.cpp
index c0a658a..6ca55a6 100644
--- a/test/test_parse_args.cpp
+++ b/test/test_parse_args.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_positional_arguments.cpp b/test/test_positional_arguments.cpp
index 5735c8a..3b2b85c 100644
--- a/test/test_positional_arguments.cpp
+++ b/test/test_positional_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 #include <cmath>
 
 using doctest::test_suite;
diff --git a/test/test_required_arguments.cpp b/test/test_required_arguments.cpp
index 6404f88..9f98437 100644
--- a/test/test_required_arguments.cpp
+++ b/test/test_required_arguments.cpp
@@ -1,5 +1,5 @@
 #include <doctest.hpp>
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 
 using doctest::test_suite;
 
diff --git a/test/test_scan.cpp b/test/test_scan.cpp
index 64b6f58..6cc53e5 100644
--- a/test/test_scan.cpp
+++ b/test/test_scan.cpp
@@ -1,4 +1,4 @@
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 #include <doctest.hpp>
 #include <stdint.h>
 
diff --git a/test/test_value_semantics.cpp b/test/test_value_semantics.cpp
index 026aa29..2cc0f88 100644
--- a/test/test_value_semantics.cpp
+++ b/test/test_value_semantics.cpp
@@ -1,4 +1,4 @@
-#include <argparse.hpp>
+#include <argparse/argparse.hpp>
 #include <doctest.hpp>
 
 using doctest::test_suite;