diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2c39597..b2b4d2d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Deprecated
 ### Removed
 ### Fixed
+- Fixed crash where Ruby objects constructed in C can be garbage collected.
 ### Security
 
 ## [2.0.2] - 2019-11-19
diff --git a/test/test_nokogumbo.rb b/test/test_nokogumbo.rb
index 5586c976..4c5cec08 100644
--- a/test/test_nokogumbo.rb
+++ b/test/test_nokogumbo.rb
@@ -1,5 +1,10 @@
 # encoding: utf-8
 require 'nokogumbo'
+
+# Make sure that Ruby objects constructed in C are treated as GC roots.
+# See: https://github.com/rubys/nokogumbo/pull/150
+GC.verify_compaction_references(toward: :empty, double_heap: true)
+
 require 'minitest/autorun'
 
 class TestNokogumbo < Minitest::Test