diff --git a/project.yml b/project.yml
index 77026a7..2d8da1b 100644
--- a/project.yml
+++ b/project.yml
@@ -7,6 +7,8 @@ targets:
   MnemonicKit:
     type: framework
     platform: [iOS, macOS]
+    deploymentTarget:
+      iOS: 10.0
     sources: [MnemonicKit]
     scheme:
       testTargets: