diff --git a/pospell.py b/pospell.py
index e97bf3c..3f176f6 100644
--- a/pospell.py
+++ b/pospell.py
@@ -20,7 +20,7 @@ from docutils.utils import new_document
 
 import regex
 
-__version__ = "1.0.12"
+__version__ = "1.0.13"
 
 DEFAULT_DROP_CAPITALIZED = {"fr": True, "fr_FR": True}
 
diff --git a/setup.cfg b/setup.cfg
index f259687..10e6db9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,7 @@ classifiers =
 
 [options]
 py_modules = pospell
-install_requires = polib; docutils>=0.11; regex
+install_requires = polib; docutils>=0.11,<0.18; regex
 
 [options.entry_points]
 console_scripts = pospell=pospell:main