diff --git a/parallel_utils/process/monitor.py b/parallel_utils/process/monitor.py
index 60389a4..f6516ce 100644
--- a/parallel_utils/process/monitor.py
+++ b/parallel_utils/process/monitor.py
@@ -92,7 +92,7 @@ def __getstate__(self):
 
         def __setstate__(self, state):
             private = state.pop('private')
-            p.setstate(private, self)
+            p.setstate(self, private)
             self.__dict__ = state
 
         def __del__(self):
diff --git a/parallel_utils/thread/monitor.py b/parallel_utils/thread/monitor.py
index 773aaab..6357380 100644
--- a/parallel_utils/thread/monitor.py
+++ b/parallel_utils/thread/monitor.py
@@ -93,7 +93,7 @@ def __getstate__(self):
 
         def __setstate__(self, state):
             private = state.pop('private')
-            p.setstate(private, self)
+            p.setstate(self, private)
             self.__dict__ = state
 
         def __del__(self):
diff --git a/setup.py b/setup.py
index 6aa8357..6eb92ff 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 name = 'parallel-utils'
 
 # https://www.python.org/dev/peps/pep-0440/#version-scheme
-version = '1.1.0'
+version = '1.1.1'
 
 description = 'This library implements a class Monitor, as defined by Per Brinch Hansen and C.A.R. Hoare, ' \
               'for synchronization and concurrent management of threads and processes in Python. It also provides other ' \
@@ -52,6 +52,8 @@
     'Programming Language :: Python :: 3 :: Only',
     'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
     'Topic :: Software Development :: Libraries :: Python Modules',
 ]
 setuptools.setup(