diff --git a/gems/eol.yml b/gems/eol.yml
new file mode 100644
index 0000000000..cac0c41359
--- /dev/null
+++ b/gems/eol.yml
@@ -0,0 +1,11 @@
+---
+ruby-sass:
+  url: https://github.com/sass/ruby-sass/issues/112
+  date: 2019-03-26
+
+  description: With the release of Dart Sass 1.0.0 stable, Ruby Sass was
+    officially deprecated. Applications should move to Dart Sass or LibSass.
+
+  related:
+    url:
+      - http://sass.logdown.com/posts/7081811
diff --git a/rubies/eol.yml b/rubies/eol.yml
new file mode 100644
index 0000000000..a689489037
--- /dev/null
+++ b/rubies/eol.yml
@@ -0,0 +1,5 @@
+---
+ruby:
+  url: https://www.ruby-lang.org/en/news/2019/03/31/support-of-ruby-2-3-has-ended/
+  date: 2019-03-31
+  version: "< 2.4"