diff --git a/modules/aruco/misc/pattern_generator/MarkerPrinter.py b/modules/aruco/misc/pattern_generator/MarkerPrinter.py
index 4cf9185c3f5..2ce69f97f06 100644
--- a/modules/aruco/misc/pattern_generator/MarkerPrinter.py
+++ b/modules/aruco/misc/pattern_generator/MarkerPrinter.py
@@ -409,8 +409,8 @@ def GenChessMarkerImage(filePath, chessboardSize, squareLength, subSize=None, pa
             subChessboardBlockX = np.clip ( np.arange(0, subSize[0] * subDivide[0] + 1, subSize[0]), 0, chessboardSize[0])
             subChessboardBlockY = np.clip ( np.arange(0, subSize[1] * subDivide[1] + 1, subSize[1]), 0, chessboardSize[1])
 
-            subChessboardSliceX = subChessboardBlockX.astype(np.float) * squareLength
-            subChessboardSliceY = subChessboardBlockY.astype(np.float) * squareLength
+            subChessboardSliceX = subChessboardBlockX.astype(float) * squareLength
+            subChessboardSliceY = subChessboardBlockY.astype(float) * squareLength
 
             for subXID in range(subDivide[0]):
                 for subYID in range(subDivide[1]):
@@ -722,8 +722,8 @@ def GenCharucoMarkerImage(filePath, dictionary, chessboardSize, squareLength, ma
             subChessboardBlockX = np.clip ( np.arange(0, subSize[0] * subDivide[0] + 1, subSize[0]), 0, chessboardSize[0])
             subChessboardBlockY = np.clip ( np.arange(0, subSize[1] * subDivide[1] + 1, subSize[1]), 0, chessboardSize[1])
 
-            subChessboardSliceX = subChessboardBlockX.astype(np.float) * squareLength
-            subChessboardSliceY = subChessboardBlockY.astype(np.float) * squareLength
+            subChessboardSliceX = subChessboardBlockX.astype(float) * squareLength
+            subChessboardSliceY = subChessboardBlockY.astype(float) * squareLength
 
             for subXID in range(subDivide[0]):
                 for subYID in range(subDivide[1]):
@@ -922,8 +922,8 @@ def GenArucoGridMarkerImage(filePath, dictionary, chessboardSize, markerLength,
             subChessboardBlockX = np.clip ( np.arange(0, subSize[0] * subDivide[0] + 1, subSize[0]), 0, chessboardSize[0])
             subChessboardBlockY = np.clip ( np.arange(0, subSize[1] * subDivide[1] + 1, subSize[1]), 0, chessboardSize[1])
 
-            subChessboardSliceX = subChessboardBlockX.astype(np.float) * (markerLength + markerSeparation)
-            subChessboardSliceY = subChessboardBlockY.astype(np.float) * (markerLength + markerSeparation)
+            subChessboardSliceX = subChessboardBlockX.astype(float) * (markerLength + markerSeparation)
+            subChessboardSliceY = subChessboardBlockY.astype(float) * (markerLength + markerSeparation)
 
             subChessboardSliceX[-1] -= markerSeparation
             subChessboardSliceY[-1] -= markerSeparation