diff --git a/scripts/dfu.py b/scripts/dfu.py
index 170f2d2..3a6fa75 100644
--- a/scripts/dfu.py
+++ b/scripts/dfu.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # dfu.py: Access USB DFU class devices
 # Copyright (C) 2009  Black Sphere Technologies
@@ -62,7 +62,7 @@ DFU_STATUS_ERROR_POR =           0x0d
 DFU_STATUS_ERROR_UNKNOWN =       0x0e
 DFU_STATUS_ERROR_STALLEDPKT =    0x0f
 
-class dfu_status(object):
+class dfu_status:
 	def __init__(self, buf):
 		self.bStatus = buf[0]
 		self.bwPollTimeout = buf[1] + (buf[2]<<8) + (buf[3]<<16)
@@ -70,7 +70,7 @@ class dfu_status(object):
 		self.iString = buf[5]
 
 
-class dfu_device(object):
+class dfu_device:
 	def __init__(self, dev, conf, iface):
 		self.dev = dev
 		self.conf = conf
diff --git a/scripts/gdb.py b/scripts/gdb.py
index 6c6e02d..7ef525f 100644
--- a/scripts/gdb.py
+++ b/scripts/gdb.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # gdb.py: Python module for low level GDB protocol implementation
 # Copyright (C) 2009  Black Sphere Technologies
@@ -152,7 +152,7 @@ class Target:
 		"""Read length bytes from target at address addr"""
 		ret = b''
 		while length:
-			# print "Read"
+			# print("Read")
 			packlen = min(length,self.PacketSize//2)
 			self.putpacket(b"m%08X,%08X" % (addr, packlen))
 			reply = self.getpacket()
@@ -292,7 +292,7 @@ class Target:
 				addr = self.offset + self.blocksize * i
 				if data is None:
 					continue
-				#print "Erasing flash at 0x%X" % (self.offset + self.blocksize*i)
+				#print("Erasing flash at 0x%X" % (self.offset + self.blocksize*i))
 				self.target.putpacket(b"vFlashErase:%08X,%08X" %
 					(self.offset + self.blocksize*i, self.blocksize))
 				if self.target.getpacket() != b'OK':
@@ -301,7 +301,7 @@ class Target:
 				while data:
 					d = data[0:980]
 					data = data[len(d):]
-					#print "Writing %d bytes at 0x%X" % (len(d), addr)
+					#print("Writing %d bytes at 0x%X" % (len(d), addr))
 					self.target.putpacket(b"vFlashWrite:%08X:%s" % (addr, d))
 					addr += len(d)
 					if self.target.getpacket() != b'OK':
diff --git a/scripts/get_openocd_nrf51_ids.py b/scripts/get_openocd_nrf51_ids.py
index 33bdd60..a141f4f 100755
--- a/scripts/get_openocd_nrf51_ids.py
+++ b/scripts/get_openocd_nrf51_ids.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 """Pulls nRF51 IDs from openocd's nrf51.c in a form suitable for
 pasting into blackmagic's nrf51.c
@@ -21,11 +21,11 @@ specdict = {}
 specs    = []
 spec     = Spec()
 for line in io.TextIOWrapper(proc.stdout, encoding="utf-8"):
-    m = re.search('/\*(.*)\*/',line)
+    m = re.search(r'/\*(.*)\*/',line)
     if m:
         lastcomment=m.group(1)
 
-    m = re.search('NRF51_DEVICE_DEF\((0x[0-9A-F]*),\s*"(.*)",\s*"(.*)",\s*"(.*)",\s*([0-9]*)\s*\),', line)
+    m = re.search(r'NRF51_DEVICE_DEF\((0x[0-9A-F]*),\s*"(.*)",\s*"(.*)",\s*"(.*)",\s*([0-9]*)\s*\),', line)
     if m:
         spec.hwid          = int(m.group(1), base=0)
         spec.variant       = m.group(3)
diff --git a/scripts/hexprog.py b/scripts/hexprog.py
index 43f9693..0c26e9c 100755
--- a/scripts/hexprog.py
+++ b/scripts/hexprog.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # hexprog.py: Python application to flash a target with an Intel hex file
 # Copyright (C) 2011  Black Sphere Technologies
@@ -65,8 +65,8 @@ if __name__ == "__main__":
 	from sys import argv, platform, stdout
 	from getopt import getopt
 
-	if platform == "linux2":
-		print ("\x1b\x5b\x48\x1b\x5b\x32\x4a") # clear terminal screen
+	if platform == "linux":
+		print("\x1b\x5b\x48\x1b\x5b\x32\x4a") # clear terminal screen
 	print("Black Magic Probe -- Target Production Programming Tool -- version 1.0")
 	print("Copyright (C) 2011  Black Sphere Technologies")
 	print("License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>")
diff --git a/scripts/stm32_mem.py b/scripts/stm32_mem.py
index 9f47df3..40d8bd9 100755
--- a/scripts/stm32_mem.py
+++ b/scripts/stm32_mem.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # stm32_mem.py: STM32 memory access using USB DFU class
 # Copyright (C) 2011  Black Sphere Technologies