diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea86698..8eed4d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,87 +9,85 @@
   - [Removed](#removed)
   - [Fixed](#fixed)
   - [Security](#security)
-- [0.55.1](#0551)
-  - [Fixed](#fixed-1)
-- [0.55.0](#0550)
-  - [Removed](#removed-1)
+- [0.56.0](#0560)
   - [Added](#added-1)
   - [Changed](#changed-1)
+  - [Fixed](#fixed-1)
+- [0.55.1](#0551)
   - [Fixed](#fixed-2)
-- [0.54.1](#0541)
+- [0.55.0](#0550)
+  - [Removed](#removed-1)
   - [Added](#added-2)
   - [Changed](#changed-2)
   - [Fixed](#fixed-3)
-- [0.54.0](#0540)
+- [0.54.1](#0541)
   - [Added](#added-3)
   - [Changed](#changed-3)
   - [Fixed](#fixed-4)
-- [0.53.3](#0533)
+- [0.54.0](#0540)
   - [Added](#added-4)
-  - [Fixed](#fixed-5)
-- [0.53.2](#0532)
   - [Changed](#changed-4)
-- [0.53.1](#0531)
+  - [Fixed](#fixed-5)
+- [0.53.3](#0533)
   - [Added](#added-5)
-- [0.53.0](#0530)
-  - [Added](#added-6)
-  - [Changed](#changed-5)
   - [Fixed](#fixed-6)
-- [0.52.0](#0520)
+- [0.53.2](#0532)
+  - [Changed](#changed-5)
+- [0.53.1](#0531)
+  - [Added](#added-6)
+- [0.53.0](#0530)
   - [Added](#added-7)
   - [Changed](#changed-6)
   - [Fixed](#fixed-7)
-- [0.51.1](#0511)
-  - [Fixed](#fixed-8)
+- [0.52.0](#0520)
+  - [Added](#added-8)
   - [Changed](#changed-7)
-- [0.51.0](#0510)
+  - [Fixed](#fixed-8)
+- [0.51.1](#0511)
   - [Fixed](#fixed-9)
   - [Changed](#changed-8)
-  - [Added](#added-8)
-- [0.50.0](#0500)
-  - [Added](#added-9)
-- [0.49.3](#0493)
-  - [Added](#added-10)
-- [0.49.2](#0492)
-  - [Changed](#changed-9)
-- [0.49.1](#0491)
+- [0.51.0](#0510)
   - [Fixed](#fixed-10)
-  - [Changed](#changed-10)
-- [0.49.0](#0490)
+  - [Changed](#changed-9)
+  - [Added](#added-9)
+- [0.50.0](#0500)
+  - [Added](#added-10)
+- [0.49.3](#0493)
   - [Added](#added-11)
+- [0.49.2](#0492)
+  - [Changed](#changed-10)
+- [0.49.1](#0491)
   - [Fixed](#fixed-11)
   - [Changed](#changed-11)
-- [0.48.1](#0481)
-  - [Fixed](#fixed-12)
-- [0.48.0](#0480)
-  - [Changed](#changed-12)
-  - [Fixed](#fixed-13)
-- [0.47.4](#0474)
+- [0.49.0](#0490)
   - [Added](#added-12)
-- [0.47.3](#0473)
+  - [Fixed](#fixed-12)
+  - [Changed](#changed-12)
+- [0.48.1](#0481)
+  - [Fixed](#fixed-13)
+- [0.48.0](#0480)
   - [Changed](#changed-13)
-- [0.47.2](#0472)
   - [Fixed](#fixed-14)
-- [0.47.1](#0471)
+- [0.47.4](#0474)
+  - [Added](#added-13)
+- [0.47.3](#0473)
   - [Changed](#changed-14)
+- [0.47.2](#0472)
   - [Fixed](#fixed-15)
-- [0.47.0](#0470)
+- [0.47.1](#0471)
   - [Changed](#changed-15)
   - [Fixed](#fixed-16)
-- [0.33.1 .. 0.46.0](#0331--0460)
-  - [Added](#added-13)
-  - [Removed](#removed-2)
+- [0.47.0](#0470)
   - [Changed](#changed-16)
   - [Fixed](#fixed-17)
-- [0.33.1](#0331)
-  - [Fixed](#fixed-18)
-- [0.33.0](#0330)
+- [0.33.1 .. 0.46.0](#0331--0460)
   - [Added](#added-14)
+  - [Removed](#removed-2)
   - [Changed](#changed-17)
-  - [Deprecated](#deprecated-1)
-  - [Removed](#removed-3)
+  - [Fixed](#fixed-18)
+- [0.33.1](#0331)
   - [Fixed](#fixed-19)
-  - [Security](#security-1)
+- [0.33.0](#0330)
 - [0.32.2](#0322)
   - [Fixed](#fixed-20)
 - [0.32.1](#0321)
@@ -101,13 +99,13 @@
 - [0.31.0](#0310)
   - [Added](#added-16)
   - [Changed](#changed-19)
-  - [Deprecated](#deprecated-2)
-  - [Removed](#removed-4)
+  - [Deprecated](#deprecated-1)
+  - [Removed](#removed-3)
   - [Fixed](#fixed-23)
 - [0.30.0](#0300)
   - [Added](#added-17)
   - [Changed](#changed-20)
-  - [Deprecated](#deprecated-3)
+  - [Deprecated](#deprecated-2)
   - [Fixed](#fixed-24)
 - [0.29.0](#0290)
   - [Added](#added-18)
@@ -118,13 +116,31 @@
 
 --------------------------------------------------------------------------------
 
+# Unreleased
+
+## Added
+
+## Changed
+
+## Deprecated
+
+## Removed
+
+## Fixed
+
+## Security
+
+---
+
 # 0.56.0
 
-Released YYYY/MM/DD
+Released 2020/11/26
 
 ## Added
 
 * Objective-c bindings generate `From<ChildClass> for ParentClass` as well as `TryFrom<ParentClass> for ChildClass` ([#1883][]).
+* Experimental dynamic library support via `dynamic_library_name` (#1846).
+* Option to disable deriving `Default` on a per-struct basis (#1930).
 
 ## Changed
 
@@ -132,24 +148,11 @@
 * Templates and enums now correctly use the same naming scheme as other types
  (#1891).
 
-## Deprecated
-
-* TODO (or remove section if none)
-
-## Removed
-
-* TODO (or remove section if none)
-
 ## Fixed
 
 * Constructors in wasm32 now return a value. (#1877).
 * Fixed objective-c protocol impl blocks for parent classes's protocols ([#1883][]).
 
-## Security
-
-* TODO (or remove section if none)
-
-
 [#1883]: https://github.com/rust-lang/rust-bindgen/issues/1883
 
 --------------------------------------------------------------------------------
@@ -705,32 +708,6 @@
 
 # 0.33.0
 
-Released YYYY/MM/DD
-
-## Added
-
-* TODO (or remove section if none)
-
-## Changed
-
-* TODO (or remove section if none)
-
-## Deprecated
-
-* TODO (or remove section if none)
-
-## Removed
-
-* TODO (or remove section if none)
-
-## Fixed
-
-* TODO (or remove section if none)
-
-## Security
-
-* TODO (or remove section if none)
-
 --------------------------------------------------------------------------------
 
 # 0.32.2
diff --git a/Cargo.lock b/Cargo.lock
index 4c453a8..589076f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -31,7 +31,7 @@
 
 [[package]]
 name = "bindgen"
-version = "0.55.1"
+version = "0.56.0"
 dependencies = [
  "bitflags",
  "cexpr",
diff --git a/Cargo.toml b/Cargo.toml
index d06359d..3516fc2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@
 repository = "https://github.com/rust-lang/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
 homepage = "https://rust-lang.github.io/rust-bindgen/"
-version = "0.55.1"
+version = "0.56.0"
 edition = "2018"
 build = "build.rs"