diff --git a/sdk-lib/src/main/java/cash/z/ecc/android/sdk/SdkSynchronizer.kt b/sdk-lib/src/main/java/cash/z/ecc/android/sdk/SdkSynchronizer.kt
index 82f59e66..5ebdfae4 100644
--- a/sdk-lib/src/main/java/cash/z/ecc/android/sdk/SdkSynchronizer.kt
+++ b/sdk-lib/src/main/java/cash/z/ecc/android/sdk/SdkSynchronizer.kt
@@ -282,6 +282,7 @@ class SdkSynchronizer private constructor(
         val shutdownJob = coroutineScope.launch {
             Twig.debug { "Stopping synchronizer $synchronizerKey…" }
             processor.stop()
+            storage.close()
         }
 
         instances[synchronizerKey] = InstanceState.ShuttingDown(shutdownJob)