diff --git a/docs/source/conf.py b/docs/source/conf.py
index 41621368..7d9a5765 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -13,8 +13,10 @@
 copyright = "2021, Toni-SM"
 author = "Toni-SM"
 
-release = skrl.__version__
-version = skrl.__version__
+if skrl.__version__ != "unknown":
+    release = version = skrl.__version__
+else:
+    release = version = "1.0.0-rc.1"
 
 master_doc = "index"