diff --git a/Dockerfile b/Dockerfile
index a83adef2ce..dfb6fed851 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,10 @@ WORKDIR /code/
 
 # Install Python packages for this project.
 COPY requirements.txt /code/requirements.txt
-RUN apk add git && \
-  pip install -r requirements.txt && \
-  apk del git
+RUN apk add git build-base && \
+  pip install "setuptools<66" && \
+  pip install --no-build-isolation -r requirements.txt && \
+  apk del git build-base
 
 # Set environment variables.
 ENV FLASK_ENV development
diff --git a/requirements.txt b/requirements.txt
index 133b557193..f3df6260bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
-aip-site-generator==0.6.0
+# Corresponds to v0.6.6.
+git+https://github.com/aip-dev/site-generator.git@c5cb78b347d82ad6244c0f4954f3f219baaa26db#egg=aip-site-generator