diff --git a/packages/node/src/integrations/http.ts b/packages/node/src/integrations/http.ts
index 867c6ad9df24..d3d0711fb158 100644
--- a/packages/node/src/integrations/http.ts
+++ b/packages/node/src/integrations/http.ts
@@ -10,6 +10,7 @@ import {
 } from '@sentry/utils';
 import type * as http from 'http';
 import type * as https from 'https';
+import { LRUMap } from 'lru_map';
 
 import type { NodeClient } from '../client';
 import type { RequestMethod, RequestMethodArgs } from './utils/http';
@@ -138,7 +139,7 @@ function _createWrappedRequestMethodFactory(
   tracingOptions: TracingOptions | undefined,
 ): WrappedRequestMethodFactory {
   // We're caching results so we don't have to recompute regexp every time we create a request.
-  const createSpanUrlMap: Record<string, boolean> = {};
+  const createSpanUrlMap = new LRUMap<string, boolean>(100);
   const headersUrlMap: Record<string, boolean> = {};
 
   const shouldCreateSpan = (url: string): boolean => {
@@ -146,13 +147,14 @@ function _createWrappedRequestMethodFactory(
       return true;
     }
 
-    if (createSpanUrlMap[url]) {
-      return createSpanUrlMap[url];
+    const cachedDecision = createSpanUrlMap.get(url);
+    if (cachedDecision !== undefined) {
+      return cachedDecision;
     }
 
-    createSpanUrlMap[url] = tracingOptions.shouldCreateSpanForRequest(url);
-
-    return createSpanUrlMap[url];
+    const decision = tracingOptions.shouldCreateSpanForRequest(url);
+    createSpanUrlMap.set(url, decision);
+    return decision;
   };
 
   const shouldAttachTraceData = (url: string): boolean => {