diff --git a/ocrd_segment/evaluate.py b/ocrd_segment/evaluate.py
index 7036229..7df7ac7 100644
--- a/ocrd_segment/evaluate.py
+++ b/ocrd_segment/evaluate.py
@@ -527,7 +527,7 @@ def get(arg):
 
     coco_eval.accumulate()
     coco_eval.summarize()
-    statInds = np.ones(12, np.bool)
+    statInds = np.ones(12, bool)
     statInds[7] = False # AR maxDet[1]
     statInds[8] = False # AR maxDet[2]
     coco_eval.stats = coco_eval.stats[statInds]
diff --git a/ocrd_segment/extract_pages.py b/ocrd_segment/extract_pages.py
index 60b548b..fd6ed4e 100644
--- a/ocrd_segment/extract_pages.py
+++ b/ocrd_segment/extract_pages.py
@@ -308,7 +308,7 @@ def process(self):
                                                      self.parameter['plot_overlay'])
                     if not poly:
                         continue
-                    polygon = np.array(poly.exterior.coords, np.int)[:-1].tolist()
+                    polygon = np.array(poly.exterior.coords, int)[:-1].tolist()
                     xywh = xywh_from_polygon(polygon)
                     area = poly.area
                     description.setdefault('regions', []).append(
@@ -330,7 +330,7 @@ def process(self):
                         {'id': i, 'image_id': num_page_id,
                          'category_id': next((cat['id'] for cat in categories if cat['name'] == subrtype),
                                              next((cat['id'] for cat in categories if cat['name'] == rtype))),
-                         'segmentation': np.array(poly.exterior.coords, np.int)[:-1].reshape(1, -1).tolist(),
+                         'segmentation': np.array(poly.exterior.coords, int)[:-1].reshape(1, -1).tolist(),
                          'area': area,
                          'bbox': [xywh['x'], xywh['y'], xywh['w'], xywh['h']],
                          'iscrowd': 0})
@@ -430,7 +430,7 @@ def get_points(rogroup, level):
             poly = regiondict.get(regionref.get_regionRef(), None)
             if poly:
                 # we have seen this region
-                morepoints.append((level, tuple(np.array(poly.centroid, np.int))))
+                morepoints.append((level, tuple(np.array(poly.centroid, int))))
             if not isinstance(regionref, (RegionRefType, RegionRefIndexedType)):
                 # try to get subgroup regions instead
                 morepoints = get_points(regionref, level + 1) or morepoints
@@ -445,7 +445,7 @@ def get_points(rogroup, level):
         points.extend(get_points(readingorder, 0))
     else:
         # use XML ordering
-        points.extend([(0, tuple(np.array(region.poly.centroid, np.int))) for region in regions])
+        points.extend([(0, tuple(np.array(region.poly.centroid, int))) for region in regions])
     for p1, p2 in zip(points[:-1], points[1:]):
         color = 'ReadingOrderLevel%s' % (str(p1[0]) if p1[0] < 2 else 'N')
         if color not in classes:
diff --git a/ocrd_segment/extract_regions.py b/ocrd_segment/extract_regions.py
index f4f47b9..d51b715 100644
--- a/ocrd_segment/extract_regions.py
+++ b/ocrd_segment/extract_regions.py
@@ -205,7 +205,7 @@ def process(self):
                             poly = segment_poly(page_id, subregion, region_coords)
                             if not poly:
                                 continue
-                            polygon = np.array(poly.exterior.coords, np.int)[:-1].tolist()
+                            polygon = np.array(poly.exterior.coords, int)[:-1].tolist()
                             xywh = xywh_from_polygon(polygon)
                             area = poly.area
                             if subrtype in ['TextRegion', 'ChartRegion', 'GraphicRegion']:
@@ -229,7 +229,7 @@ def process(self):
                                 {'id': i, 'image_id': j,
                                  'category_id': next((cat['id'] for cat in categories if cat['name'] == subsubrtype),
                                                      next((cat['id'] for cat in categories if cat['name'] == subrtype))),
-                                 'segmentation': np.array(poly.exterior.coords, np.int)[:-1].reshape(1, -1).tolist(),
+                                 'segmentation': np.array(poly.exterior.coords, int)[:-1].reshape(1, -1).tolist(),
                                  'area': area,
                                  'bbox': [xywh['x'], xywh['y'], xywh['w'], xywh['h']],
                                  'iscrowd': 0})
diff --git a/ocrd_segment/repair.py b/ocrd_segment/repair.py
index ca31e0d..e9bfb29 100644
--- a/ocrd_segment/repair.py
+++ b/ocrd_segment/repair.py
@@ -538,7 +538,7 @@ def shrink_regions(page_image, page_coords, page, page_id, padding=0):
         scale = 43
     for region in page.get_AllRegions():
         #LOG.info('Shrinking region "%s"', region.id)
-        region_mask = np.zeros_like(page_array, dtype=np.bool)
+        region_mask = np.zeros_like(page_array, dtype=bool)
         region_polygon = coordinates_of_segment(region, page_image, page_coords)
         region_mask[draw.polygon(region_polygon[:, 1],
                                  region_polygon[:, 0],
@@ -701,7 +701,7 @@ def ensure_valid(element):
     coords = element.get_Coords()
     points = coords.points
     polygon = polygon_from_points(points)
-    array = np.array(polygon, np.int)
+    array = np.array(polygon, int)
     if array.min() < 0:
         array = np.maximum(0, array)
         changed = True