diff --git a/test/.excludes-prism/TestIRB/RubyLexTest.rb b/test/.excludes-prism/TestIRB/RubyLexTest.rb
new file mode 100644
index 0000000000..a2d0a57452
--- /dev/null
+++ b/test/.excludes-prism/TestIRB/RubyLexTest.rb
@@ -0,0 +1 @@
+exclude(:test_code_block_open_with_should_continue, "https://github.com/ruby/irb/pull/956")