diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7df83e..102c0ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ cmake_minimum_required( VERSION 3.5 FATAL_ERROR )
 
 project(
     expected_lite
-    VERSION 0.4.0
+    VERSION 0.5.0
 #   DESCRIPTION "Expected objects in C++11 and later in a single-file header-only library"
 #   HOMEPAGE_URL "https://github.com/martinmoene/expected-lite"
     LANGUAGES CXX )
diff --git a/conanfile.py b/conanfile.py
index 0834789..90f10f1 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -1,7 +1,7 @@
 from conans import ConanFile, CMake
 
 class ExpectedLiteConan(ConanFile):
-    version = "0.4.0"
+    version = "0.5.0"
     name = "expected-lite"
     description = "Expected objects for C++11 and later"
     license = "Boost Software License - Version 1.0. http://www.boost.org/LICENSE_1_0.txt"
diff --git a/include/nonstd/expected.hpp b/include/nonstd/expected.hpp
index 8f03a78..69bee75 100644
--- a/include/nonstd/expected.hpp
+++ b/include/nonstd/expected.hpp
@@ -13,7 +13,7 @@
 #define NONSTD_EXPECTED_LITE_HPP
 
 #define expected_lite_MAJOR  0
-#define expected_lite_MINOR  4
+#define expected_lite_MINOR  5
 #define expected_lite_PATCH  0
 
 #define expected_lite_VERSION  expected_STRINGIFY(expected_lite_MAJOR) "." expected_STRINGIFY(expected_lite_MINOR) "." expected_STRINGIFY(expected_lite_PATCH)