diff --git a/History.md b/History.md
index ede97b4..60f725d 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,12 @@
+# 0.4.0 / 2018-03-23
+
+  * Bootstrap 4.0.0, re-theme to "flatly"
+  * Fix: Align images by making symbols fixed width
+  * Add loading spinner before first codes are fetched
+  * Improve UI handling
+  * Address sorting issues
+  * Implement pre-fetching for next codes
+
 # 0.3.0 / 2017-06-19
 
   * Cache vault token instead of creating one each request