diff --git a/CPAccelerationTimer.podspec b/CPAccelerationTimer.podspec
index 08f5194..1afe9b8 100644
--- a/CPAccelerationTimer.podspec
+++ b/CPAccelerationTimer.podspec
@@ -1,7 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'CPAccelerationTimer'
-  s.version  = '0.0.2'
-  s.platform = :ios
+  s.version  = '0.0.3'
   s.license  = { :type => 'MIT', :file => 'LICENSE' }
   s.summary  = 'Timer with Bézier curve acceleration'
   s.homepage = 'https://github.com/yangmeyer/CPAccelerationTimer'
@@ -9,6 +8,10 @@ Pod::Spec.new do |s|
   s.description = 'Calls a block a given number of times, spread out over a given duration, with the between-calls delays determined by a given Bézier curve. Think of it as an NSTimer with custom acceleration.'
   
   s.source   = { :git => 'https://github.com/yangmeyer/CPAccelerationTimer.git', :tag => s.version.to_s }
+  s.prefix_header_file = 'Component/CPAccelerationTimer-Prefix.pch'
   s.source_files = 'Component/*.{h,c,m}'
   s.requires_arc = true
+  
+  s.ios.deployment_target = '4.3'
+  s.watchos.deployment_target = '2.0'
 end
diff --git a/Component/CPAccelerationTimer-Prefix.pch b/Component/CPAccelerationTimer-Prefix.pch
new file mode 100644
index 0000000..88b6b79
--- /dev/null
+++ b/Component/CPAccelerationTimer-Prefix.pch
@@ -0,0 +1,11 @@
+#if TARGET_OS_WATCH
+#define CGFloat float
+
+struct CGPoint {
+    CGFloat x;
+    CGFloat y;
+};
+typedef struct CGPoint CGPoint;
+
+#define CGPointEqualToPoint(p1, p2) (p1.x == p2.x && p1.y == p2.y)
+#endif
\ No newline at end of file