diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index a068392..1d689e6 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -176,6 +176,12 @@
   )
 )
 
+(deftest dividir-test09
+  (testing "Test 09 dividir"
+    (is (= (dividir 17.0 8.0) 2.125))
+  )
+)
+
 (deftest identificador-test01
   (testing "Test 01 identificador"
     (is (= (identificador? 'boolean) true))