diff --git a/docs/conf.py b/docs/conf.py
index 441b121..3191505 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -15,18 +15,22 @@
 # import os
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
+from pathlib import Path
 
+from tomlkit import parse
 
 # -- Project information -----------------------------------------------------
 
 project = "Gaphas"
-copyright = "2018, Arjan J. Molenaar"
+copyright = "2019, Arjan J. Molenaar"
 author = "Arjan J. Molenaar"
 
 # The short X.Y version
 version = ""
 # The full version, including alpha/beta/rc tags
-release = "1.0.0"
+project_dir = Path(__file__).resolve().parent.parent
+f = project_dir.joinpath("pyproject.toml")
+release = str(parse(f.read_text())["tool"]["poetry"]["version"])
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 6202026..a07f58c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,6 @@
-sphinx==1.8.3
-sphinx_rtd_theme==0.4.2
\ No newline at end of file
+sphinx==2.1.0
+docutils==0.14
+Pygments==2.4.2
+sphinx-rtd-theme==0.4.3
+sphinxcontrib-websupport==1.1.2
+tomlkit==0.5.3