diff --git a/docs/requirements-dev.txt b/docs/requirements-dev.txt
index c01093d..ad65a02 100644
--- a/docs/requirements-dev.txt
+++ b/docs/requirements-dev.txt
@@ -1,4 +1,4 @@
 #pydata-sphinx-theme==0.7.1
-ampl-sphinx-theme
+ampl-sphinx-theme @ git+https://github.com/ampl/ampl.github.io.git#subdirectory=ampl-sphinx-theme
 sphinx==5.0.0
 myst_parser>=0.17.0