diff --git a/packaging/rpm/python-synergy.spec b/packaging/rpm/python-synergy.spec
index c746eac..56d7a51 100755
--- a/packaging/rpm/python-synergy.spec
+++ b/packaging/rpm/python-synergy.spec
@@ -17,11 +17,11 @@ Requires(pre):    shadow-utils
 Requires(post):   systemd
 Requires(preun):  systemd
 Requires(postun): systemd
-Requires:         python2-eventlet >= 0.17
-Requires:         python2-oslo-config >= 2.4
-Requires:         python-pbr >= 1.8
-Requires:         python-dateutil >= 2.4
-Requires:         python-requests >= 2.10.0
+Requires:         python2-eventlet
+Requires:         python2-oslo-config
+Requires:         python-pbr
+Requires:         python-dateutil
+Requires:         python-requests
 
 
 %description
diff --git a/requirements.txt b/requirements.txt
index 6c862b8..2e37c33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,12 +2,12 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=1.8,<1.9
+pbr
 
-eventlet>=0.17,<0.18
-oslo.config>=2.4,<2.5
-python-dateutil>=2.2,<2.5
-requests>=2.7.0,<2.11.0
+eventlet
+oslo.config
+python-dateutil
+requests
 
 # Packages not available as system packages (rpm or deb)
-tabulate>=0.7.2,<0.8
+tabulate
diff --git a/setup.py b/setup.py
index f06a663..3ffe9b5 100644
--- a/setup.py
+++ b/setup.py
@@ -23,5 +23,5 @@ except ImportError:
     pass
 
 setuptools.setup(
-    setup_requires=['pbr>=1.8', 'setuptools'],
+    setup_requires=['pbr', 'setuptools'],
     pbr=True)