diff --git a/Pod/Classes/OAStackViewAlignmentStrategy.m b/Pod/Classes/OAStackViewAlignmentStrategy.m
index dfe604e..631ab5a 100644
--- a/Pod/Classes/OAStackViewAlignmentStrategy.m
+++ b/Pod/Classes/OAStackViewAlignmentStrategy.m
@@ -21,7 +21,7 @@ @interface OAStackViewAlignmentStrategyCenter: OAStackViewAlignmentStrategy
 @end
 
 @interface OAStackViewAlignmentStrategy ()
-@property(nonatomic) OAStackView *stackView;
+@property(nonatomic, weak) OAStackView *stackView;
 @property(nonatomic) NSMutableArray *constraints;
 @end
 
diff --git a/Pod/Classes/OAStackViewDistributionStrategy.m b/Pod/Classes/OAStackViewDistributionStrategy.m
index e1c9566..4f28e87 100644
--- a/Pod/Classes/OAStackViewDistributionStrategy.m
+++ b/Pod/Classes/OAStackViewDistributionStrategy.m
@@ -15,7 +15,7 @@ @interface OAStackViewDistributionStrategyFillEqually : OAStackViewDistributionS
 @end
 
 @interface OAStackViewDistributionStrategy ()
-@property(nonatomic) OAStackView *stackView;
+@property(nonatomic, weak) OAStackView *stackView;
 @property(nonatomic) NSMutableArray *constraints;
 @end