diff --git a/proc.c b/proc.c
index ff862bee97..9dbc78ae4a 100644
--- a/proc.c
+++ b/proc.c
@@ -3124,6 +3124,7 @@ Init_Proc(void)
     rb_define_method(rb_cMethod, "hash", method_hash, 0);
     rb_define_method(rb_cMethod, "clone", method_clone, 0);
     rb_define_method(rb_cMethod, "call", rb_method_call, -1);
+    rb_define_method(rb_cMethod, "===", rb_method_call, -1);
     rb_define_method(rb_cMethod, "curry", rb_method_curry, -1);
     rb_define_method(rb_cMethod, "[]", rb_method_call, -1);
     rb_define_method(rb_cMethod, "arity", method_arity_m, 0);
diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index 778fcdc9bc..b3d4098a1c 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -1017,4 +1017,10 @@ class TestMethod < Test::Unit::TestCase
     # without trace insn
     assert_separately [], "RubyVM::InstructionSequence.compile_option = {trace_instruction: false}\n" + body
   end
+
+  def test_eqq
+    assert(Method.instance_methods(false).include? :===)
+    assert_operator(0.method(:<), :===, 5)
+    assert_not_operator(0.method(:<), :===, -5)
+  end
 end