diff --git a/tensorboard/plugins/npmi/csv_to_plugin_data_demo.py b/tensorboard/plugins/npmi/csv_to_plugin_data_demo.py
index 3ed3ab4a95..02ddb65756 100644
--- a/tensorboard/plugins/npmi/csv_to_plugin_data_demo.py
+++ b/tensorboard/plugins/npmi/csv_to_plugin_data_demo.py
@@ -70,7 +70,7 @@ def convert_file(file_path):
         for row in csv_reader:
             annotations.append(row[0])
             values.append(row[1:])
-        values = np.array(values).astype(np.float)
+        values = np.array(values).astype(float)
 
     writer = tf.summary.create_file_writer(os.path.dirname(file_path))
     with writer.as_default():
diff --git a/tensorboard/plugins/pr_curve/summary.py b/tensorboard/plugins/pr_curve/summary.py
index 826586ba47..9eed11cee9 100644
--- a/tensorboard/plugins/pr_curve/summary.py
+++ b/tensorboard/plugins/pr_curve/summary.py
@@ -215,7 +215,7 @@ def pb(
 
     # Compute bins of true positives and false positives.
     bucket_indices = np.int32(np.floor(predictions * (num_thresholds - 1)))
-    float_labels = labels.astype(np.float)
+    float_labels = labels.astype(float)
     histogram_range = (0, num_thresholds - 1)
     tp_buckets, _ = np.histogram(
         bucket_indices,