diff --git a/dom/media/mediacapabilities/BenchmarkStorageParent.cpp b/dom/media/mediacapabilities/BenchmarkStorageParent.cpp
index 06a13f2ae9e9..54e5ad41fa76 100644
--- a/dom/media/mediacapabilities/BenchmarkStorageParent.cpp
+++ b/dom/media/mediacapabilities/BenchmarkStorageParent.cpp
@@ -100,4 +100,25 @@ IPCResult BenchmarkStorageParent::RecvGet(const nsCString& aDbName,
   return IPC_OK();
 }
 
+IPCResult BenchmarkStorageParent::RecvCheckVersion(const nsCString& aDbName,
+                                                   int32_t aVersion) {
+  mStorage->Get(aDbName, NS_LITERAL_CSTRING("Version"))
+      ->Then(
+          GetCurrentThreadSerialEventTarget(), __func__,
+          [storage = mStorage, aDbName, aVersion](int32_t aResult) {
+            if (aVersion != aResult) {
+              storage->Clear(aDbName)->Then(
+                  GetCurrentThreadSerialEventTarget(), __func__,
+                  [storage, aDbName, aVersion](bool) {
+                    storage->Put(aDbName, NS_LITERAL_CSTRING("Version"),
+                                 aVersion);
+                  },
+                  [](nsresult rv) { /*do nothing*/ });
+            }
+          },
+          [](nsresult rv) { /*do nothing*/ });
+
+  return IPC_OK();
+}
+
 };  // namespace mozilla
diff --git a/dom/media/mediacapabilities/BenchmarkStorageParent.h b/dom/media/mediacapabilities/BenchmarkStorageParent.h
index a1e663c0bd41..f94bff9aa68e 100644
--- a/dom/media/mediacapabilities/BenchmarkStorageParent.h
+++ b/dom/media/mediacapabilities/BenchmarkStorageParent.h
@@ -26,6 +26,8 @@ class BenchmarkStorageParent : public PBenchmarkStorageParent {
   IPCResult RecvGet(const nsCString& aDbName, const nsCString& aKey,
                     GetResolver&& aResolve);
 
+  IPCResult RecvCheckVersion(const nsCString& aDbName, int32_t aVersion);
+
  private:
   RefPtr<KeyValueStorage> mStorage;
 };
diff --git a/dom/media/mediacapabilities/PBenchmarkStorage.ipdl b/dom/media/mediacapabilities/PBenchmarkStorage.ipdl
index 52f639d885d8..21daf7dc8717 100644
--- a/dom/media/mediacapabilities/PBenchmarkStorage.ipdl
+++ b/dom/media/mediacapabilities/PBenchmarkStorage.ipdl
@@ -14,6 +14,7 @@ async protocol PBenchmarkStorage
 parent:
   async Put(nsCString aDbName, nsCString aKey, int32_t aValue);
   async Get(nsCString aDbName, nsCString aKey) returns(int32_t aValue);
+  async CheckVersion(nsCString aDbName, int32_t aVersion);
   async __delete__();
 
 };