diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index d8f3c53..6c5a846 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -142,11 +142,11 @@ foundation:
     access-token: "581b22b62ebec2b9629b2b4940dcca67"
     refresh-token: "5347f89aae57b85ad762998b804c0a24"
     page-size: 200
-    concurrency: 40
-    refresh-concurrency: 6
+    concurrency: ${NGP_CONCURRENCY:12}
+    refresh-concurrency: ${NGP_REFRESH_CONCURRENCY:2}
     pending-retry-seconds: 10
     connect-timeout-ms: 10000
-    read-timeout-ms: 60000
+    read-timeout-ms: ${NGP_READ_TIMEOUT_MS:180000}
     max-retries: 2
     max-response-bytes: 5242880
     current-cache-seconds: 600