diff --git a/Tools/scripts/h2py.py b/Tools/scripts/h2py.py
index 510714d..58acb82 100755
--- a/Tools/scripts/h2py.py
+++ b/Tools/scripts/h2py.py
@@ -96,13 +96,13 @@
     body = p_char.sub('ord(\\0)', body)
     # Compute negative hexadecimal constants
     start = 0
-    UMAX = 2*(sys.maxint+1)
+    UMAX = 2*(sys.maxsize+1)
     while 1:
         m = p_hex.search(body, start)
         if not m: break
         s,e = m.span()
         val = long(body[slice(*m.span(1))], 16)
-        if val > sys.maxint:
+        if val > sys.maxsize:
             val -= UMAX
             body = body[:s] + "(" + str(val) + ")" + body[e:]
         start = s + 1
diff --git a/Tools/unicode/makeunicodedata.py b/Tools/unicode/makeunicodedata.py
index 3778efa..5b5b5dc 100644
--- a/Tools/unicode/makeunicodedata.py
+++ b/Tools/unicode/makeunicodedata.py
@@ -948,7 +948,7 @@
             n >>= 1
             maxshift += 1
     del n
-    bytes = sys.maxint  # smallest total size so far
+    bytes = sys.maxsize  # smallest total size so far
     t = tuple(t)    # so slices can be dict keys
     for shift in range(maxshift + 1):
         t1 = []