diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a26d9c..7567eab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+<a name="v0.8.4"></a>
+### v0.8.4 (2020-11-11)
+
+#### Bug Fixes
+
+* **transport**
+
+  * **SECURITY**: Prevent argument injection in sendmail transport
+
 <a name="v0.8.2"></a>
 ### v0.8.2 (2018-05-03)
 
diff --git a/lettre/Cargo.toml b/lettre/Cargo.toml
index d79cc0f..6188aff 100644
--- a/lettre/Cargo.toml
+++ b/lettre/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "lettre"
-version = "0.8.2" # remember to update html_root_url
+version = "0.8.4" # remember to update html_root_url
 description = "Email client"
 readme = "README.md"
 homepage = "http://lettre.at"
diff --git a/lettre/src/lib.rs b/lettre/src/lib.rs
index 29f2b3a..cc5dcbd 100644
--- a/lettre/src/lib.rs
+++ b/lettre/src/lib.rs
@@ -4,7 +4,7 @@
 //! emails have to implement `SendableEmail`.
 //!
 
-#![doc(html_root_url = "https://docs.rs/lettre/0.8.2")]
+#![doc(html_root_url = "https://docs.rs/lettre/0.8.4")]
 #![deny(missing_docs, missing_debug_implementations, missing_copy_implementations, trivial_casts,
         trivial_numeric_casts, unsafe_code, unstable_features, unused_import_braces,
         unused_qualifications)]