diff --git a/0001-fixup-moving-average-window.patch b/0001-fixup-moving-average-window.patch
index 844a6eb..96ea569 100644
--- a/0001-fixup-moving-average-window.patch
+++ b/0001-fixup-moving-average-window.patch
@@ -11,7 +11,7 @@ Since the upstream default window size is only of size 10 items
 (by default), it calculates the average speed only for the last
 ~0.005s.  We could enlarge the size of window (sma_window param),
 but the algorithm is so naive that it would decrease the
-performance.
+performance (O(N): sum(queue)/len(queue)).
 
 This has been discussed very extensively with upstream (PR 24 and
 friends) but I neither was not able to explain the problem, nor I
@@ -22,36 +22,14 @@ compatibility - changes the algorithm so the average speed is
 calculation is fast enough, and much more stable (by default it
 calculates speed for window of 2 seconds).
 
-We also don't seem to have the monotonic() mess, since we don't seem
-to suffer from the same issues.
-
 Fork with this patch backported is maintained in
 https://github.com/python-progress/python-progress
 
-diff --git a/MANIFEST.in b/MANIFEST.in
-index ef7c4cb..0c73842 100644
---- a/MANIFEST.in
-+++ b/MANIFEST.in
-@@ -1,2 +1 @@
- include README.rst LICENSE
--include test_*.py
 diff --git a/progress/__init__.py b/progress/__init__.py
-index b434b30..71b2039 100644
+index b434b30..f26056d 100644
 --- a/progress/__init__.py
 +++ b/progress/__init__.py
-@@ -18,10 +18,7 @@ from collections import deque
- from datetime import timedelta
- from math import ceil
- from sys import stderr
--try:
--    from time import monotonic
--except ImportError:
--    from time import time as monotonic
-+from time import time
- 
- 
- __version__ = '1.6'
-@@ -30,19 +27,55 @@ HIDE_CURSOR = '\x1b[?25l'
+@@ -30,19 +30,55 @@ HIDE_CURSOR = '\x1b[?25l'
  SHOW_CURSOR = '\x1b[?25h'
  
  
@@ -63,7 +41,7 @@ index b434b30..71b2039 100644
 +        self.max_seconds = max_seconds
 +        self.max_items = max_items
 +
-+        stamp = time()
++        stamp = monotonic()
 +        self.last = stamp - 0.001
 +        self.counter = 0
 +        self.deque = deque()
@@ -103,30 +81,26 @@ index b434b30..71b2039 100644
  
      def __init__(self, message='', **kwargs):
          self.index = 0
--        self.start_ts = monotonic()
+         self.start_ts = monotonic()
 -        self.avg = 0
 -        self._avg_update_ts = self.start_ts
 -        self._ts = self.start_ts
 -        self._xput = deque(maxlen=self.sma_window)
-+        self.start_ts = time()
 +        self.window = _Window(self.sma_window_seconds, self.sma_window)
          for key, val in kwargs.items():
              setattr(self, key, val)
  
-@@ -67,23 +100,19 @@ class Infinite(object):
- 
-     @property
+@@ -69,21 +105,17 @@ class Infinite(object):
      def elapsed(self):
--        return int(monotonic() - self.start_ts)
-+        return int(time() - self.start_ts)
-+
+         return int(monotonic() - self.start_ts)
+ 
 +    @property
 +    def avg(self):
 +        speed = self.window.avg
 +        if speed:
 +            return 1/speed
-+        return 3600 # better constant?
- 
++        return float("inf")
++
      @property
      def elapsed_td(self):
          return timedelta(seconds=self.elapsed)
@@ -145,15 +119,20 @@ index b434b30..71b2039 100644
      def update(self):
          pass
  
-@@ -116,10 +145,7 @@ class Infinite(object):
-             raise AttributeError(msg)
+@@ -112,14 +144,10 @@ class Infinite(object):
+         try:
+             return self.file.isatty() if self.check_tty else True
+         except AttributeError:
+-            msg = "%s has no attribute 'isatty'. Try setting check_tty=False." % self
+-            raise AttributeError(msg)
++            raise AttributeError('\'{}\' object has no attribute \'isatty\'. Try setting parameter check_tty=False.'.format(self))
  
      def next(self, n=1):
 -        now = monotonic()
 -        dt = now - self._ts
 -        self.update_avg(n, dt)
 -        self._ts = now
-+        self.window.next(n, time())
++        self.window.next(n, monotonic())
          self.index = self.index + n
          self.update()
  
diff --git a/python-progress.spec b/python-progress.spec
index 6515584..7b35399 100644
--- a/python-progress.spec
+++ b/python-progress.spec
@@ -20,7 +20,7 @@
 
 Name:           python-%{pypi_name}
 Version:        1.6
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Easy to use progress bars
 
 License:        ISC
@@ -98,6 +98,9 @@ rm -rf %{pypi_name}.egg-info
 
 
 %changelog
+* Fri Jul 15 2022 Pavel Raiskup <praiskup@redhat.com> - 1.6-6
+- use time.monotonic(), bar.avg is infinity for zero speed
+
 * Fri Jul 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.6-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild