diff --git a/docs/usage.rst b/docs/usage.rst
index 94e33365b0ec53521b98907e82f251385bfa503c..a535da6f87dd0e5b89f7db26d2ac7d4f0fcca98c 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -22,11 +22,9 @@ Start off by instantiating an object
 Note that if you specify a `gzip_level` argument in
 :meth:`~tempsdb.database.Database.create_series`, GZIP compression will be used.
 
-Note that gzip-compressed series are very slow to read the first time you open them,
-since an index needs to be built each time that they are seek'ed.
-to start from scratch. This will be fixed in the future.
-
-Random seeks are provided by the indexed-gzip_ library.
+.. warning:: Note that gzip-compressed series are very slow to read, since every `seek` is
+             conducted from the beginning. indexed-gzip_ library hung too often. This will be
+             fixed in the future.
 
 .. _indexed-gzip: https://pypi.org/project/indexed-gzip/
 
diff --git a/setup.py b/setup.py
index b1aaad907d37297b7d59197ced49eb943f1bd891..46309630a9acf6b6d44a4ece3bb14164f513040f 100644
--- a/setup.py
+++ b/setup.py
@@ -41,11 +41,11 @@ ext_modules = build([Multibuild('tempsdb', find_pyx('tempsdb'), **ext_kwargs), ]
                      **cythonize_kwargs)
 
 setup(name='tempsdb',
-      version='0.5.2a2',
+      version='0.5.2',
       packages=find_packages(include=['tempsdb', 'tempsdb.*']),
       install_requires=['satella>=2.14.24', 'ujson'],
       ext_modules=ext_modules,
       python_requires='!=2.7.*,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*',
       test_suite="tests",
-      zip_safe=False
+      zip_safe=True
       )