diff --git a/AdjusterMain.py b/AdjusterMain.py
index 63466142..85d362f6 100644
--- a/AdjusterMain.py
+++ b/AdjusterMain.py
@@ -7,7 +7,7 @@ from Rom import LocalRom, Sprite, apply_rom_settings
 
 
 def adjust(args):
-    start = time.clock()
+    start = time.process_time()
     logger = logging.getLogger('')
     logger.info('Patching ROM.')
 
@@ -31,6 +31,6 @@ def adjust(args):
     rom.write_to_file(output_path('%s.sfc' % outfilebase))
 
     logger.info('Done. Enjoy.')
-    logger.debug('Total Time: %s', time.clock() - start)
+    logger.debug('Total Time: %s', time.process_time() - start)
 
     return args
diff --git a/Main.py b/Main.py
index 9442c8ab..ad4184fb 100644
--- a/Main.py
+++ b/Main.py
@@ -21,7 +21,7 @@ from Utils import output_path
 __version__ = '0.6.3-pre'
 
 def main(args, seed=None):
-    start = time.clock()
+    start = time.process_time()
 
     # initialize the world
     world = World(args.multi, args.shuffle, args.logic, args.mode, args.swords, args.difficulty, args.item_functionality, args.timer, args.progressive, args.goal, args.algorithm, not args.nodungeonitems, args.accessibility, args.shuffleganon, args.quickswap, args.fastmenu, args.disablemusic, args.keysanity, args.retro, args.custom, args.customitemarray, args.shufflebosses, args.hints)
@@ -172,7 +172,7 @@ def main(args, seed=None):
         world.spoiler.to_file(output_path('%s_Spoiler.txt' % outfilebase))
 
     logger.info('Done. Enjoy.')
-    logger.debug('Total Time: %s', time.clock() - start)
+    logger.debug('Total Time: %s', time.process_time() - start)
 
     return world
 
diff --git a/Plando.py b/Plando.py
index 290e212b..92108fec 100755
--- a/Plando.py
+++ b/Plando.py
@@ -20,7 +20,7 @@ from Main import create_playthrough
 __version__ = '0.2-dev'
 
 def main(args):
-    start_time = time.clock()
+    start_time = time.process_time()
 
     # initialize the world
     world = World(1, 'vanilla', 'noglitches', 'standard', 'normal', 'none', 'on', 'ganon', 'freshness', False, False, False, args.quickswap, args.fastmenu, args.disablemusic, False, False, False, None, 'none', False)
@@ -89,7 +89,7 @@ def main(args):
         world.spoiler.to_file('%s_Spoiler.txt' % outfilebase)
 
     logger.info('Done. Enjoy.')
-    logger.debug('Total Time: %s', time.clock() - start_time)
+    logger.debug('Total Time: %s', time.process_time() - start_time)
 
     return world