diff --git a/include/continuable/continuable-base.hpp b/include/continuable/continuable-base.hpp
index 33b6e41..60580fb 100644
--- a/include/continuable/continuable-base.hpp
+++ b/include/continuable/continuable-base.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-connections.hpp b/include/continuable/continuable-connections.hpp
index 1a3c21f..5074f16 100644
--- a/include/continuable/continuable-connections.hpp
+++ b/include/continuable/continuable-connections.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-coroutine.hpp b/include/continuable/continuable-coroutine.hpp
index e10742a..fdd21fd 100644
--- a/include/continuable/continuable-coroutine.hpp
+++ b/include/continuable/continuable-coroutine.hpp
@@ -4,7 +4,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-primitives.hpp b/include/continuable/continuable-primitives.hpp
index dad58b9..054eb11 100644
--- a/include/continuable/continuable-primitives.hpp
+++ b/include/continuable/continuable-primitives.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-promise-base.hpp b/include/continuable/continuable-promise-base.hpp
index 8765dd1..fa4780f 100644
--- a/include/continuable/continuable-promise-base.hpp
+++ b/include/continuable/continuable-promise-base.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-promisify.hpp b/include/continuable/continuable-promisify.hpp
index dfa31b3..0919f02 100644
--- a/include/continuable/continuable-promisify.hpp
+++ b/include/continuable/continuable-promisify.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
@@ -106,7 +106,7 @@ public:
   /// }
   /// ```
   ///
-  /// \since 3.1.0
+  /// \since 4.0.0
   template <typename Resolver, typename Callable, typename... Args>
   static auto with(Resolver&& resolver, Callable&& callable, Args&&... args) {
     return helper::template from(std::forward<Resolver>(resolver),
diff --git a/include/continuable/continuable-result.hpp b/include/continuable/continuable-result.hpp
index cbf2265..7cc6d4e 100644
--- a/include/continuable/continuable-result.hpp
+++ b/include/continuable/continuable-result.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-testing.hpp b/include/continuable/continuable-testing.hpp
index d96d0c6..df9847a 100644
--- a/include/continuable/continuable-testing.hpp
+++ b/include/continuable/continuable-testing.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-trait.hpp b/include/continuable/continuable-trait.hpp
index 318f694..7d42080 100644
--- a/include/continuable/continuable-trait.hpp
+++ b/include/continuable/continuable-trait.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-transforms.hpp b/include/continuable/continuable-transforms.hpp
index 777f195..12c3852 100644
--- a/include/continuable/continuable-transforms.hpp
+++ b/include/continuable/continuable-transforms.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-traverse-async.hpp b/include/continuable/continuable-traverse-async.hpp
index 3614079..883094c 100644
--- a/include/continuable/continuable-traverse-async.hpp
+++ b/include/continuable/continuable-traverse-async.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-traverse.hpp b/include/continuable/continuable-traverse.hpp
index 4a3b3be..b4e20b6 100644
--- a/include/continuable/continuable-traverse.hpp
+++ b/include/continuable/continuable-traverse.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/continuable-types.hpp b/include/continuable/continuable-types.hpp
index 52e13c1..f5566f8 100644
--- a/include/continuable/continuable-types.hpp
+++ b/include/continuable/continuable-types.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
@@ -85,7 +85,7 @@ using promise = typename detail::unique_trait_of<
 /// Defines a non-copyable type erasure which is capable of carrying
 /// callable objects passed to executors.
 ///
-/// \since 3.1.0
+/// \since 4.0.0
 using work = detail::work;
 
 // TODO channel
diff --git a/include/continuable/continuable.hpp b/include/continuable/continuable.hpp
index 228dc1a..ef325ea 100644
--- a/include/continuable/continuable.hpp
+++ b/include/continuable/continuable.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/connection/connection-aggregated.hpp b/include/continuable/detail/connection/connection-aggregated.hpp
index 61fb73e..aee8382 100644
--- a/include/continuable/detail/connection/connection-aggregated.hpp
+++ b/include/continuable/detail/connection/connection-aggregated.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/connection/connection-all.hpp b/include/continuable/detail/connection/connection-all.hpp
index b9d8d95..8645a3c 100644
--- a/include/continuable/detail/connection/connection-all.hpp
+++ b/include/continuable/detail/connection/connection-all.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/connection/connection-any.hpp b/include/continuable/detail/connection/connection-any.hpp
index 5b09b75..cc9c1fa 100644
--- a/include/continuable/detail/connection/connection-any.hpp
+++ b/include/continuable/detail/connection/connection-any.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/connection/connection-seq.hpp b/include/continuable/detail/connection/connection-seq.hpp
index f48e2e9..cf9cd99 100644
--- a/include/continuable/detail/connection/connection-seq.hpp
+++ b/include/continuable/detail/connection/connection-seq.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/connection/connection.hpp b/include/continuable/detail/connection/connection.hpp
index 379dfe9..92b07c2 100644
--- a/include/continuable/detail/connection/connection.hpp
+++ b/include/continuable/detail/connection/connection.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/core/annotation.hpp b/include/continuable/detail/core/annotation.hpp
index 0255936..d78b191 100644
--- a/include/continuable/detail/core/annotation.hpp
+++ b/include/continuable/detail/core/annotation.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/core/base.hpp b/include/continuable/detail/core/base.hpp
index 186b2ca..6d8d9aa 100644
--- a/include/continuable/detail/core/base.hpp
+++ b/include/continuable/detail/core/base.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/core/types.hpp b/include/continuable/detail/core/types.hpp
index c94cd34..5774c4a 100644
--- a/include/continuable/detail/core/types.hpp
+++ b/include/continuable/detail/core/types.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/features.hpp b/include/continuable/detail/features.hpp
index 399f1a4..2a6c038 100644
--- a/include/continuable/detail/features.hpp
+++ b/include/continuable/detail/features.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/other/coroutines.hpp b/include/continuable/detail/other/coroutines.hpp
index f0260a6..e1304d3 100644
--- a/include/continuable/detail/other/coroutines.hpp
+++ b/include/continuable/detail/other/coroutines.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/other/promisify.hpp b/include/continuable/detail/other/promisify.hpp
index 4a59c8e..6aa2067 100644
--- a/include/continuable/detail/other/promisify.hpp
+++ b/include/continuable/detail/other/promisify.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/other/testing.hpp b/include/continuable/detail/other/testing.hpp
index 742fd95..e1aa735 100644
--- a/include/continuable/detail/other/testing.hpp
+++ b/include/continuable/detail/other/testing.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/other/transforms.hpp b/include/continuable/detail/other/transforms.hpp
index 7f56546..e3e4a84 100644
--- a/include/continuable/detail/other/transforms.hpp
+++ b/include/continuable/detail/other/transforms.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/traversal/container-category.hpp b/include/continuable/detail/traversal/container-category.hpp
index 8b8be94..9f754a6 100644
--- a/include/continuable/detail/traversal/container-category.hpp
+++ b/include/continuable/detail/traversal/container-category.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/traversal/range.hpp b/include/continuable/detail/traversal/range.hpp
index 8168621..a02e2da 100644
--- a/include/continuable/detail/traversal/range.hpp
+++ b/include/continuable/detail/traversal/range.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/traversal/traverse-async.hpp b/include/continuable/detail/traversal/traverse-async.hpp
index b8d7f22..147f602 100644
--- a/include/continuable/detail/traversal/traverse-async.hpp
+++ b/include/continuable/detail/traversal/traverse-async.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/traversal/traverse.hpp b/include/continuable/detail/traversal/traverse.hpp
index 9740db3..cbd1df0 100644
--- a/include/continuable/detail/traversal/traverse.hpp
+++ b/include/continuable/detail/traversal/traverse.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/utility/flat-variant.hpp b/include/continuable/detail/utility/flat-variant.hpp
index 54b09a3..44cedce 100644
--- a/include/continuable/detail/utility/flat-variant.hpp
+++ b/include/continuable/detail/utility/flat-variant.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/utility/result-trait.hpp b/include/continuable/detail/utility/result-trait.hpp
index ebcf0b7..d1b4ebd 100644
--- a/include/continuable/detail/utility/result-trait.hpp
+++ b/include/continuable/detail/utility/result-trait.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/utility/traits.hpp b/include/continuable/detail/utility/traits.hpp
index 602220b..6d27a0c 100644
--- a/include/continuable/detail/utility/traits.hpp
+++ b/include/continuable/detail/utility/traits.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>
 
diff --git a/include/continuable/detail/utility/util.hpp b/include/continuable/detail/utility/util.hpp
index 0dba222..c3a0b88 100644
--- a/include/continuable/detail/utility/util.hpp
+++ b/include/continuable/detail/utility/util.hpp
@@ -5,7 +5,7 @@
                         \_,(_)| | | || ||_|(_||_)|(/_
 
                     https://github.com/Naios/continuable
-                                   v3.0.0
+                                   v4.0.0
 
   Copyright(c) 2015 - 2018 Denis Blank <denis.blank at outlook dot com>