diff --git a/types/opossum/index.d.ts b/types/opossum/index.d.ts
index b17a1dd0be..612615ad86 100644
--- a/types/opossum/index.d.ts
+++ b/types/opossum/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for opossum 1.9
+// Type definitions for opossum 1.10
 // Project: https://github.com/nodeshift/opossum
 // Definitions by: Quinn Langille <https://github.com/quinnlangille>
 //                 Willy Zhang <https://github.com/merufm>
@@ -23,6 +23,7 @@ export class CircuitBreaker extends EventEmitter {
     readonly closed: boolean;
     readonly opened: boolean;
     readonly halfOpen: boolean;
+    readonly isShutdown: boolean;
     readonly status: Status;
     readonly stats: Stats;
     readonly hystrixStats: HystrixStats;
@@ -40,6 +41,7 @@ export class CircuitBreaker extends EventEmitter {
         func: (...args: any[]) => Promise<any>,
         interval?: number
     ): void;
+    shutdown(): void;
 }
 
 export enum Event {
diff --git a/types/opossum/opossum-tests.ts b/types/opossum/opossum-tests.ts
index ebbf0bea47..69d64497f0 100644
--- a/types/opossum/opossum-tests.ts
+++ b/types/opossum/opossum-tests.ts
@@ -39,6 +39,7 @@ breaker.closed; // $ExpectType boolean
 breaker.opened; // $ExpectType boolean
 breaker.halfOpen; // $ExpectType boolean
 breaker.warmUp; // $ExpectType boolean
+breaker.isShutdown; // $ExpectType boolean
 breaker.volumeThreshold; // $ExpectType number
 breaker.status.stats.latencyMean; // $ExpectType number
 breaker.stats.latencyTimes; // $ExpectType number[]
@@ -49,6 +50,7 @@ breaker.open(); // $ExpectType void
 breaker.close(); // $ExpectType void
 breaker.disable(); // $ExpectType void
 breaker.enable(); // $ExpectType void
+breaker.shutdown(); // $ExpectType void
 
 // The following are examples are from the libs README and official documentation
 // https://nodeshift.github.io/opossum/index.html.