diff --git a/test/.excludes-prism/TestSyntax.rb b/test/.excludes-prism/TestSyntax.rb
index ed4ae44318..926d2681d8 100644
--- a/test/.excludes-prism/TestSyntax.rb
+++ b/test/.excludes-prism/TestSyntax.rb
@@ -1,3 +1,2 @@
-exclude(:test_dedented_heredoc_continued_line, "https://bugs.ruby-lang.org/issues/20503")
 exclude(:test_optional_self_reference, "https://bugs.ruby-lang.org/issues/20478")
 exclude(:test_keyword_self_reference, "https://bugs.ruby-lang.org/issues/20478")