diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2cd82976..80d79c4b 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -8,7 +8,7 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.7"
+    python: "3.8"
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 713e48d4..32329cea 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,8 @@
 docutils==0.17
-sphinx-argparse
+sphinx-argparse==0.4.0
 sphinx_rtd_theme>=1.0.0
 snakebids>=0.4.0
-myst-parser
-sphinxcontrib.asciinema
+myst-parser==1.0.0
+sphinxcontrib.asciinema==0.3.7
 pulp<2.8.0
+