diff --git a/mParticle-Apple-SDK/Data Model/MPIntegrationAttributes.m b/mParticle-Apple-SDK/Data Model/MPIntegrationAttributes.m
index c1b591869..e44dccb87 100644
--- a/mParticle-Apple-SDK/Data Model/MPIntegrationAttributes.m	
+++ b/mParticle-Apple-SDK/Data Model/MPIntegrationAttributes.m	
@@ -29,7 +29,7 @@ - (nonnull instancetype)initWithIntegrationId:(nonnull NSNumber *)integrationId
     self = [super init];
     if (self) {
         _integrationId = integrationId;
-        _attributes = attributes;
+        _attributes = [attributes copy];
     }
 
     return self;
diff --git a/mParticle-Apple-SDK/mParticle.m b/mParticle-Apple-SDK/mParticle.m
index 3159b4673..4a3971c1c 100644
--- a/mParticle-Apple-SDK/mParticle.m
+++ b/mParticle-Apple-SDK/mParticle.m
@@ -1273,13 +1273,15 @@ + (BOOL)registerExtension:(nonnull id<MPExtensionProtocol>)extension {
 
 #pragma mark Integration attributes
 - (nonnull MPKitExecStatus *)setIntegrationAttributes:(nonnull NSDictionary<NSString *, NSString *> *)attributes forKit:(nonnull NSNumber *)integrationId {
+    NSDictionary *attributesCopy = [attributes copy];
     __block MPKitReturnCode returnCode = MPKitReturnCodeSuccess;
 
     MPIntegrationAttributes *integrationAttributes = [[MPIntegrationAttributes alloc] initWithIntegrationId:integrationId attributes:attributes];
     
     if (integrationAttributes) {
         [executor executeOnMessage: ^{
-            [self.listenerController onAPICalled:_cmd parameter1:attributes parameter2:integrationId];
+            
+            [self.listenerController onAPICalled:_cmd parameter1:attributesCopy parameter2:integrationId];
             
             [[MParticle sharedInstance].persistenceController saveIntegrationAttributes:integrationAttributes];
         }];