diff --git a/requirements.api.txt b/requirements.api.txt
index 73014a2e..ea4407d4 100644
--- a/requirements.api.txt
+++ b/requirements.api.txt
@@ -3,3 +3,5 @@
 gunicorn
 # uvicorn works on all platforms and is required for both dev and prod deployments
 uvicorn
+# For deployment on Heroku, we want the latest g2p off GitHub
+g2p @ git+https://github.com/roedoejet/g2p.git@main