diff --git a/.changeset/silly-moles-rush.md b/.changeset/silly-moles-rush.md
new file mode 100644
index 00000000000..54b800d72d5
--- /dev/null
+++ b/.changeset/silly-moles-rush.md
@@ -0,0 +1,6 @@
+---
+"firebase": patch
+"@firebase/util": patch
+---
+
+Extended Usage of `isIndexedDBAvailable` to Service Worker
diff --git a/packages/util/src/environment.ts b/packages/util/src/environment.ts
index 5ba7d80d69c..bc35bca5eb6 100644
--- a/packages/util/src/environment.ts
+++ b/packages/util/src/environment.ts
@@ -136,14 +136,11 @@ export function isSafari(): boolean {
 }
 
 /**
- * This method checks if indexedDB is supported by current browser
- * @return true if indexedDB is supported by current browser
+ * This method checks if indexedDB is supported by current browser/service worker context
+ * @return true if indexedDB is supported by current browser/service worker context
  */
 export function isIndexedDBAvailable(): boolean {
-  if (!('indexedDB' in window) || indexedDB === null) {
-    return false;
-  }
-  return true;
+  return 'indexedDB' in self && indexedDB !== null;
 }
 
 /**