diff --git a/lib/rbi/printer.rb b/lib/rbi/printer.rb
index 6c594fa0..21e505cc 100644
--- a/lib/rbi/printer.rb
+++ b/lib/rbi/printer.rb
@@ -666,7 +666,9 @@ def print_sig_as_line(node)
     def print_sig_as_block(node)
       modifiers = sig_modifiers(node)
 
-      printl("sig do")
+      printt("sig")
+      print("(:final)") if node.is_final
+      printn(" do")
       indent
       if modifiers.any?
         printl(T.must(modifiers.first))
diff --git a/test/rbi/printer_test.rb b/test/rbi/printer_test.rb
index a81f318c..1ed94ccf 100644
--- a/test/rbi/printer_test.rb
+++ b/test/rbi/printer_test.rb
@@ -1138,5 +1138,19 @@ def test_print_sigs_locations
         def m1; end
       RBI
     end
+
+    def test_print_sigs_with_final
+      sig = Sig.new(is_final: true, return_type: "Integer")
+
+      assert_equal(<<~RBI, sig.string)
+        sig(:final) { returns(Integer) }
+      RBI
+
+      assert_equal(<<~RBI, sig.string(max_line_length: 10))
+        sig(:final) do
+          returns(Integer)
+        end
+      RBI
+    end
   end
 end