diff --git a/packages/doorman-api/src/common/DoormanHandler.ts b/packages/doorman-api/src/common/DoormanHandler.ts
index 805c126..cf656cb 100644
--- a/packages/doorman-api/src/common/DoormanHandler.ts
+++ b/packages/doorman-api/src/common/DoormanHandler.ts
@@ -1,5 +1,5 @@
 import { ServerlessCallback, ServerlessFunctionSignature } from "@twilio-labs/serverless-runtime-types/types";
-import { PrometheusContentType, Registry, Pushgateway, Summary, Counter } from "prom-client";
+import { PrometheusContentType, Registry, Pushgateway, Summary, Counter, register } from "prom-client";
 import { DoormanLambdaContext } from "./DoormanHandlerContext";
 import { shouldBlockRequest } from "../utils/blockUserAgent";
 import { RequestOptions } from "https";
@@ -33,6 +33,9 @@ export function withMetrics<T extends DoormanLambdaContext, U extends BaseEvent>
   handler: DoormanLambda<T, U>
 ): ServerlessFunctionSignature<T, U> {
   return async (context, event, callback) => {
+    console.log("[CommonHandler] clearing old metrics");
+    register.clear();
+    
     console.log("[CommonHandler] creating metrics registry");
     const metricsRegistry = new Registry();
     const requestOptions: RequestOptions = {
@@ -126,6 +129,8 @@ export function withMetrics<T extends DoormanLambdaContext, U extends BaseEvent>
     } catch (e: any) {
       console.error("[CommonHandler] failed to push metrics, quietly discarding them", e);
     }
+
+    
     
     clearTimeout(metricsTimeout);
     callback(...result);