diff --git a/lib/rbs/prototype/rb.rb b/lib/rbs/prototype/rb.rb
index 91792a591..9bb7c6bb4 100644
--- a/lib/rbs/prototype/rb.rb
+++ b/lib/rbs/prototype/rb.rb
@@ -477,9 +477,9 @@ def literal_to_type(node)
         when :DREGX
           BuiltinNames::Regexp.instance_type
         when :TRUE
-          BuiltinNames::TrueClass.instance_type
+          Types::Literal.new(literal: true, location: nil)
         when :FALSE
-          BuiltinNames::FalseClass.instance_type
+          Types::Literal.new(literal: false, location: nil)
         when :NIL
           Types::Bases::Nil.new(location: nil)
         when :LIT
diff --git a/test/rbs/rb_prototype_test.rb b/test/rbs/rb_prototype_test.rb
index 359bf389b..1f8e60f14 100644
--- a/test/rbs/rb_prototype_test.rb
+++ b/test/rbs/rb_prototype_test.rb
@@ -130,9 +130,9 @@ def regx: () -> ::Regexp
 
   def dregx: () -> ::Regexp
 
-  def t: () -> ::TrueClass
+  def t: () -> true
 
-  def f: () -> ::FalseClass
+  def f: () -> false
 
   def n: () -> nil
 
@@ -628,7 +628,7 @@ def test_literal_types
 
 E: nil
 
-F: ::FalseClass
+F: false
 
 G: ::Array[1 | 2 | 3]