diff --git a/ios/RNSVGRenderable.h b/ios/RNSVGRenderable.h
index a66ea0b0..a3f4a371 100644
--- a/ios/RNSVGRenderable.h
+++ b/ios/RNSVGRenderable.h
@@ -21,12 +21,12 @@
 @property (nonatomic, assign) RNSVGCGFCRule fillRule;
 @property (nonatomic, strong) RNSVGBrush *stroke;
 @property (nonatomic, assign) CGFloat strokeOpacity;
-@property (nonatomic, assign) NSString *strokeWidth;
+@property (nonatomic, strong) NSString *strokeWidth;
 @property (nonatomic, assign) CGLineCap strokeLinecap;
 @property (nonatomic, assign) CGLineJoin strokeLinejoin;
 @property (nonatomic, assign) CGFloat strokeMiterlimit;
 @property (nonatomic, assign) RNSVGCGFloatArray strokeDasharrayData;
-@property (nonatomic, assign) NSArray<NSString *> *strokeDasharray;
+@property (nonatomic, strong) NSArray<NSString *> *strokeDasharray;
 @property (nonatomic, assign) CGFloat strokeDashoffset;
 @property (nonatomic, copy) NSArray<NSString *> *propList;