diff --git a/doc/conf.py b/doc/conf.py
index 0c50cecb7..95474259e 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -38,7 +38,9 @@ author = 'Max Kellermann'
 # built documents.
 #
 # The short X.Y version.
-version = '0.23.10'
+with open('../meson.build') as f:
+    import re
+    version = re.match(r".*version:\s*'([^']+)'", f.readline()).group(1)
 # The full version, including alpha/beta/rc tags.
 #release = version + '~git'