diff --git a/app/src/main/java/gov/hhs/cdc/trustedintermediary/external/javalin/App.java b/app/src/main/java/gov/hhs/cdc/trustedintermediary/external/javalin/App.java
index 234c6780a..e0b9eb675 100644
--- a/app/src/main/java/gov/hhs/cdc/trustedintermediary/external/javalin/App.java
+++ b/app/src/main/java/gov/hhs/cdc/trustedintermediary/external/javalin/App.java
@@ -52,7 +52,9 @@ public static void main(String[] args) {
                                                 cors.addRule(
                                                         it -> {
                                                             it.allowCredentials = true;
-                                                            it.anyHost();
+                                                            it.allowHost("http://localhost:8080");
+                                                            it.allowHost("http://127.0.0.1:8080");
+                                                            it.allowHost("http://172.17.0.1:8080");
                                                         });
                                             });
                                 })