diff --git a/setup.py b/setup.py
index 283913bfbacd98aa0b0e4aae9e406436cf636353..a130e1b0c3be0059497bfa5e680a7b36f1bbac9f 100644
--- a/setup.py
+++ b/setup.py
@@ -13,13 +13,12 @@ setup(
     #author_email='',
     #url='',
     install_requires=[
-        "Pylons>=1.0",
+        "Pylons==1.0",
         "SQLAlchemy>=0.6",
         "Webhelpers>=0.6.1",
-        "Babel>=0.9.6",
-        "ZSI",
+        "Babel>=0.9.4",
         "python-debian>=0.1.16",
-        "soaplib==0.8.1"],
+        "soaplib>=0.12"],
     packages=find_packages(exclude=['ez_setup']),
     include_package_data=True,
     test_suite='nose.collector',