diff --git a/changelog.txt b/changelog.txt
index 47da682..8a93ad3 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -5,8 +5,9 @@ Version history:
 
 
 ---
-v.1.3.4 - ?
+v.1.3.4 - 19-02-2020
  * Ignore unsupported image formats (contributed by Petro (liashchynskyi@GitHub).
+ * Added brief instructions (and a script for macOS) for Pillow-SIMD installation, as a faster alternative to Pillow.
  
 ---
 v.1.3.3 - 06-08-2019
diff --git a/optimize_images/__init__.py b/optimize_images/__init__.py
index 07f744c..ac422f1 100755
--- a/optimize_images/__init__.py
+++ b/optimize_images/__init__.py
@@ -1 +1 @@
-__version__ = '1.3.3'
+__version__ = '1.3.4'