diff --git a/Casks/a/aria2d.rb b/Casks/a/aria2d.rb
index e8e8638c0f..51d41d43c3 100644
--- a/Casks/a/aria2d.rb
+++ b/Casks/a/aria2d.rb
@@ -1,6 +1,6 @@
 cask "aria2d" do
-  version "1.3.6"
-  sha256 "1840ce5b25571925cfec67635e3e48ce38306b856b509861f2ecfdfd0470cd7b"
+  version "1.3.8"
+  sha256 "f541b792ed813fa38ec72a87f42e8283383c781d0c9deac421bbc1cdababbb65"
 
   url "https://raw.githubusercontent.com/xjbeta/AppUpdaterAppcasts/master/Aria2D/Aria2D%20#{version}.dmg",
       verified: "githubusercontent.com/xjbeta/"
@@ -8,12 +8,16 @@ cask "aria2d" do
   desc "Aria2 GUI"
   homepage "https://github.com/xjbeta/Aria2D"
 
+  # Older items in the Sparkle feed may have a newer pubDate, so it's necessary
+  # to work with all of the items in the feed (not just the newest one).
   livecheck do
     url "https://raw.githubusercontent.com/xjbeta/AppUpdaterAppcasts/master/Aria2D/Appcast.xml"
-    strategy :sparkle, &:short_version
+    strategy :sparkle do |items|
+      items.map(&:short_version)
+    end
   end
 
-  depends_on macos: ">= :sierra"
+  depends_on macos: ">= :high_sierra"
 
   app "Aria2D.app"