diff --git a/services/commtest/tests/backup_test.rs b/services/commtest/tests/backup_test.rs
--- a/services/commtest/tests/backup_test.rs
+++ b/services/commtest/tests/backup_test.rs
@@ -15,12 +15,16 @@
 use bytesize::ByteSize;
 use tools::Error;
 
+use std::env;
+
 use backup_utils::BackupServiceClient;
 
 #[tokio::test]
 async fn backup_test() -> Result<(), Error> {
+  let port = env::var("COMM_SERVICES_PORT_BACKUP")
+    .expect("port env var expected but not received");
   let mut client =
-    BackupServiceClient::connect("http://localhost:50052").await?;
+    BackupServiceClient::connect(format!("http://localhost:{}", port)).await?;
 
   let attachments_fill_size: u64 = 500;
 
diff --git a/services/commtest/tests/blob_test.rs b/services/commtest/tests/blob_test.rs
--- a/services/commtest/tests/blob_test.rs
+++ b/services/commtest/tests/blob_test.rs
@@ -10,13 +10,15 @@
 mod tools;
 
 use bytesize::ByteSize;
+use std::env;
 
 use blob_utils::{BlobData, BlobServiceClient};
 use tools::Error;
 
 #[tokio::test]
 async fn blob_test() -> Result<(), Error> {
-  let mut client = BlobServiceClient::connect("http://localhost:50053").await?;
+  let port = env::var("COMM_SERVICES_PORT_BLOB").expect("port env var expected but not received");
+  let mut client = BlobServiceClient::connect(format!("http://localhost:{}", port)).await?;
 
   let blob_data = vec![
     BlobData {
diff --git a/services/scripts/run_integration_tests.sh b/services/scripts/run_integration_tests.sh
--- a/services/scripts/run_integration_tests.sh
+++ b/services/scripts/run_integration_tests.sh
@@ -40,4 +40,8 @@
   exit 1;
 fi;
 
+set -o allexport
+source .env
+set +o allexport
+
 run_integration_test "$SERVICE"