diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index cb88234..c965ab6 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,9 +1,9 @@
 version: 2
 
 build:
-  os: "ubuntu-20.04"
+  os: "ubuntu-24.04"
   tools:
-    python: "3.8"
+    python: "3.12"
 
 sphinx:
   configuration: docs/source/conf.py
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 182387c..081933b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,3 @@
-sphinx==4.2.0
-docutils==0.16
+sphinx
+sphinx-rtd-theme
+
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f87e34f..cd66740 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -52,7 +52,7 @@
 
 # General information about the project.
 project = 'automan'
-copyright = '2018-2021, Prabhu Ramachandran'
+copyright = '2018-2025, Prabhu Ramachandran'
 author = 'Prabhu Ramachandran'
 
 # The version info for the project you're documenting, acts as replacement for
@@ -75,7 +75,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.