diff --git a/types/sequelize/index.d.ts b/types/sequelize/index.d.ts
index 7524162a1b..4678acad1f 100644
--- a/types/sequelize/index.d.ts
+++ b/types/sequelize/index.d.ts
@@ -5175,12 +5175,22 @@ declare namespace sequelize {
          * The maximum time, in milliseconds, that a connection can be idle before being released.
          */
         idle?: number;
+                     
+        /**
+         * The maximum time, in milliseconds, that pool will try to get connection before throwing error
+         */
+        acquire?: number;
 
         /**
          * A function that validates a connection. Called with client. The default function checks that client is an
          * object, and that its state is not disconnected.
          */
-        validateConnection?: (client?: any) => boolean;
+        validate?: (client?: any) => boolean;
+                     
+        /*
+         * The time interval, in milliseconds, for evicting stale connections
+         */
+        evict?: number;
 
     }