diff --git a/ios/mparticle_flutter_sdk.podspec b/ios/mparticle_flutter_sdk.podspec
index 41741fe..1d5f6a8 100644
--- a/ios/mparticle_flutter_sdk.podspec
+++ b/ios/mparticle_flutter_sdk.podspec
@@ -15,7 +15,7 @@ mParticle Flutter Wrapper
   s.source           = { :path => '.' }
   s.source_files = 'Classes/**/*'
   s.dependency 'Flutter'
-  s.dependency 'mParticle-Apple-SDK/mParticle', '~> 8.5'
+  s.dependency 'mParticle-Apple-SDK/mParticle', '~> 8.18'
   s.platform = :ios, '8.0'
 
   # Flutter.framework does not contain a i386 slice.