diff --git a/CHANGELOG.md b/CHANGELOG.md
index b48ebcb..ebfdbe4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
+## [2.4.0] - 2020-12-15
+### Added
+
+ - `append_with_flags_and_date` (#174)
+
+## [2.3.0] - 2020-08-23
+### Added
+
+ - `append_with_flags` (#171)
+
 ## [2.2.0] - 2020-07-27
 ### Added
 
@@ -24,5 +34,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - MSRV increased
  - Better documentation of server greeting handling (#168)
 
-[Unreleased]: https://github.com/jonhoo/rust-imap/compare/v2.2.0...HEAD
+[Unreleased]: https://github.com/jonhoo/rust-imap/compare/v2.4.0...HEAD
+[2.4.0]: https://github.com/jonhoo/rust-imap/compare/v2.2.0...v2.4.0
+[2.3.0]: https://github.com/jonhoo/rust-imap/compare/v2.2.0...v2.3.0
 [2.2.0]: https://github.com/jonhoo/rust-imap/compare/v2.1.2...v2.2.0
diff --git a/Cargo.toml b/Cargo.toml
index e4f5388..1dd1d68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "imap"
-version = "2.3.0"
+version = "2.4.0"
 authors = ["Matt McCoy <mattnenterprise@yahoo.com>",
            "Jon Gjengset <jon@thesquareplanet.com>"]
 documentation = "https://docs.rs/imap/"
@@ -31,14 +31,14 @@ regex = "1.0"
 bufstream = "0.1"
 imap-proto = "0.10.0"
 nom = "5.0"
-base64 = "0.12"
+base64 = "0.13"
 chrono = "0.4"
 lazy_static = "1.4"
 
 [dev-dependencies]
 lettre = "0.9"
 lettre_email = "0.9"
-rustls-connector = "0.12.0"
+rustls-connector = "0.13.0"
 
 [[example]]
 name = "basic"