diff --git a/docs/source/conf.py b/docs/source/conf.py
index 687ef9e..b62362f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -16,7 +16,10 @@
 project = 'gearpy'
 copyright = '2024, Andrea Blengino'
 author = 'Andrea Blengino'
-release = subprocess.run(['git', 'describe', '--tags'], stdout = subprocess.PIPE).stdout.decode('utf-8').split('-')[0]
+release = subprocess.run(['git', 'describe', '--tags'], stdout = subprocess.PIPE).stdout.decode('utf-8')
+
+if not release.startswith('v') or not release.endswith('\n') or '-' in release or release.count('.') != 2:
+    raise ValueError(f"Invalid release name {release}.")
 
 
 # -- General configuration ---------------------------------------------------