diff --git a/.readthedocs.yml b/.readthedocs.yml
index 0132ad2..f0949e6 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,16 +1,21 @@
 version: 2
 sphinx:
     configuration: doc/conf.py
+    builder: html
 
-
-formats: 
-  - htmlzip
-
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+      python: "3.10"
+  
+    
+formats: []
 python:
-    version: 3.8
     install:
         - method: pip
           path: .
+        - requirements: doc/requirements.txt
 
 # if present, this section is used and python section ignored before sphinx is built
 #conda:
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..00fde28
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,3 @@
+sphinx>=3
+sphinx_rtd_theme
+sequana_sphinxext