diff --git a/pyproject.toml b/pyproject.toml
index 8fee45c5..6e473366 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dynamic = ['version']
 docs = [
     'tomli',
     'sphinx >= 4.0',
-    'sphinx-asdf >= 0.1.3',
+    'sphinx-asdf @ git+https://github.com/asdf-format/sphinx-asdf.git@no_bootstrap',
     'sphinx-astropy',
     'graphviz',
     'matplotlib',