diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e925b99..38f6dd8 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,6 +4,11 @@ build:
   os: "ubuntu-22.04"
   tools:
     python: "3.9"
+  apt_packages:
+    # - libclang
+    # - cmake
+    - gcc
+    - gfortran
 
 python:
   install:
diff --git a/docs/conf.py b/docs/conf.py
index 3a41bc8..d32e405 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -85,5 +85,5 @@
 
 
 
-autodoc_mock_imports = ['gcc', 'gfortran', 'flang', 'nvfortran', 'pgfortran', 'ifort', 'ifx', 'g95']
+# autodoc_mock_imports = ['gcc', 'gfortran', 'flang', 'nvfortran', 'pgfortran', 'ifort', 'ifx', 'g95']