diff --git a/README.md b/README.md
index df812f2c5f53947937de8eb0950966a0e692461e..6e19c531fcc12e914d7787ba91cd0b6d3312b831 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,12 @@
 
 ## Build
 
+Get the latest version of the fda-services repository and pull the submodule changes:
+
+```bash
+git submodule update --init --recursive
+```
+
 Everything is handled by compose, just build it by running:
 
 ```bash