diff --git a/.travis.yml b/.travis.yml
index 69a0c96..46193d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,4 +15,4 @@ env:
     - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
   matrix:
     - JEKYLL_VERSION="~> 3.3"
-    - JEKYLL_VERSION=">= 4.0.0.pre.alpha1"
+    - JEKYLL_VERSION="~> 4.0"
diff --git a/History.markdown b/History.markdown
index ad75a0b..686d772 100644
--- a/History.markdown
+++ b/History.markdown
@@ -17,6 +17,7 @@
 ### Development Fixes
 
   * Memoize #author_hash in SeoTag::AuthorDrop (#342)
+  * chore(ci): test Jekyll v4.0 (#372)
 
 ## 2.6.1 / 2019-05-17