diff --git a/src/test.py b/src/test.py
index b6fe1ae..4c5ea0b 100644
--- a/src/test.py
+++ b/src/test.py
@@ -50,12 +50,12 @@ class TestLootApi(GameFixture):
         self.assertEqual(Version.string(), "0.14.1")
 
     def test_wrapper_version(self):
-        self.assertEqual(WrapperVersion.major, 3)
-        self.assertEqual(WrapperVersion.minor, 1)
-        self.assertEqual(WrapperVersion.patch, 1)
+        self.assertEqual(WrapperVersion.major, 4)
+        self.assertEqual(WrapperVersion.minor, 0)
+        self.assertEqual(WrapperVersion.patch, 0)
         self.assertNotEqual(WrapperVersion.revision, u'')
         self.assertNotEqual(WrapperVersion.revision, Version.revision)
-        self.assertEqual(WrapperVersion.string(), "3.1.1")
+        self.assertEqual(WrapperVersion.string(), "4.0.0")
 
     def test_create_db(self):
         game = create_game_handle(GameType.tes4, self.game_path, self.local_path)
diff --git a/src/wrapper_version.cpp.in b/src/wrapper_version.cpp.in
index be5de8e..6831feb 100644
--- a/src/wrapper_version.cpp.in
+++ b/src/wrapper_version.cpp.in
@@ -25,9 +25,9 @@
 #include "wrapper_version.h"
 
 namespace loot {
-const unsigned int WrapperVersion::major = 3;
-const unsigned int WrapperVersion::minor = 1;
-const unsigned int WrapperVersion::patch = 1;
+const unsigned int WrapperVersion::major = 4;
+const unsigned int WrapperVersion::minor = 0;
+const unsigned int WrapperVersion::patch = 0;
 const std::string WrapperVersion::revision = "@GIT_COMMIT_STRING@";
 
 std::string WrapperVersion::string() {