diff --git a/Formula/brewsci-r.rb b/Formula/brewsci-r.rb
index b50ffdc..cac1359 100644
--- a/Formula/brewsci-r.rb
+++ b/Formula/brewsci-r.rb
@@ -22,7 +22,7 @@ class BrewsciR < Formula
   depends_on "pcre"
   depends_on "readline"
   depends_on "xz"
-  depends_on java: :optional
+  depends_on "openjdk@8"
 
   unless OS.mac?
     depends_on "cairo"