diff --git a/AUTHORS.rst b/AUTHORS.rst
index 17af350..5322db0 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -20,6 +20,8 @@ Contributors
     *   Added silent, compress and optimization parameter support for less css plugin
     *   Fixed plugin chaining issues
     *   Added Language(translation) plugin
+    *   Added support for parameters with `=` to `CLTransformer`
+    *   Added JPEGOptim plugin
 
 -   |pestaa|_
 
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 55a3e08..7d1ca58 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,11 @@
+Version 0.8.3c1
+================
+
+Thanks to @vincentbernat
+
+*   Added JPEG Optim plugin
+*   Fixes to CLTransformer
+
 Version 0.8.2
 =============