diff --git a/tests/term_analysis/test_keyword_analyzer.py b/tests/term_analysis/test_keyword_analyzer.py
index 831e16d..f142388 100644
--- a/tests/term_analysis/test_keyword_analyzer.py
+++ b/tests/term_analysis/test_keyword_analyzer.py
@@ -70,7 +70,7 @@ def test_preprocess_for_heat_map(self):
             lang_util=self.lang_util,
         )
         unique_counts = len(counts.index.get_level_values(0).unique())
-        actual_labels_shown = np.int(np.ceil(30 / unique_counts)) * unique_counts
+        actual_labels_shown = np.int_(np.ceil(30 / unique_counts)) * unique_counts
         self.assertEqual(
             len(top_counts) == actual_labels_shown, True, "Key word analyzer test fails"
         )