diff --git a/test/.excludes-prism/TestRubyLiteral.rb b/test/.excludes-prism/TestRubyLiteral.rb
index 63ea21c805..1f78ea55a4 100644
--- a/test/.excludes-prism/TestRubyLiteral.rb
+++ b/test/.excludes-prism/TestRubyLiteral.rb
@@ -1,3 +1,4 @@
 exclude(:test_dregexp, "unknown")
 exclude(:test_frozen_string_in_array_literal, "incorrect frozen value")
+exclude(:test_hash_duplicated_key, "parser implementation dependent")
 exclude(:test_string, "https://github.com/ruby/prism/issues/2331")