diff --git a/pyproject.toml b/pyproject.toml
index e95fb6a..c7cecf7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cenv_tool"
-version = "1.1.0"
+version = "1.1.1"
 description = "conda environment creation and update from meta.yaml"
 license = "MIT"
 authors = ["Simon Kallfass <skallfass@ouroboros.info>"]
@@ -44,13 +44,11 @@ init_cenv = "cenv_tool.init_cenv:main"
 
 
 [tool.poetry.extras]
-docs = ["sphinx", "sphinx-autodoc-typehints"]
+docs = ["sphinx", "sphinx-autodoc-typehints", "sphinx_rtd_theme"]
 tests = ["pytest", "pytest-cov", "pytest-datafiles"]
 
 
 
-
-
 [tool.dephell.main]
 # read from poetry format
 from = {format = "poetry", path = "pyproject.toml"}
diff --git a/setup.py b/setup.py
index a98db80..a3d3588 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 setup(
     long_description=readme,
     name='cenv_tool',
-    version='1.1.0',
+    version='1.1.1',
     description='conda environment creation and update from meta.yaml',
     python_requires='==3.*,>=3.7.0',
     project_urls={
@@ -61,7 +61,8 @@
             'pytest-datafiles==2.*,>=2.0.0'
         ],
         'docs': [
-            'sphinx==2.*,>=2.0.0', 'sphinx-autodoc-typehints==1.*,>=1.0.0'
+            'sphinx==2.*,>=2.0.0', 'sphinx-autodoc-typehints==1.*,>=1.0.0',
+            'sphinx-rtd-theme==0.*,>=0.0.0'
         ]
     },
 )