diff --git a/packages/nx/src/project-graph/plugins/get-plugins.ts b/packages/nx/src/project-graph/plugins/get-plugins.ts
index 1a245d318d598..2ad348a2ff28d 100644
--- a/packages/nx/src/project-graph/plugins/get-plugins.ts
+++ b/packages/nx/src/project-graph/plugins/get-plugins.ts
@@ -24,6 +24,7 @@ export async function getPlugins() {
 
   // Cleanup current plugins before loading new ones
   if (cleanup) {
+    pendingPluginsPromise = undefined;
     cleanup();
   }
 
@@ -50,6 +51,7 @@ export async function getOnlyDefaultPlugins() {
 
   // Cleanup current plugins before loading new ones
   if (cleanupDefaultPlugins) {
+    pendingDefaultPluginPromise = undefined;
     cleanupDefaultPlugins();
   }