diff --git a/frontend/README.md b/frontend/README.md
index 91b54b8223..1a2f816d60 100644
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -5,8 +5,8 @@ You need `npm`, install dependencies using `npm install`.
 
 If you made any changes to protos (see backend/README), you'll need to
 regenerate the Typescript client library from swagger. We use
-swagger-codegen-cli@2.4.1, which you can get
-[here](http://central.maven.org/maven2/io/swagger/swagger-codegen-cli/2.4.1/swagger-codegen-cli-2.4.1.jar).
+swagger-codegen-cli@2.4.7, which you can get
+[here](http://central.maven.org/maven2/io/swagger/swagger-codegen-cli/2.4.7/swagger-codegen-cli-2.4.7.jar).
 Make sure the jar file is somewhere on your path with the name
 swagger-codegen-cli.jar, then run `npm run apis`.