diff --git a/webrtc/sdk/objc/Framework/Classes/RTCMediaConstraints.mm b/webrtc/sdk/objc/Framework/Classes/RTCMediaConstraints.mm
index 11be2ec026..f0f3c860b2 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCMediaConstraints.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCMediaConstraints.mm
@@ -14,6 +14,23 @@
 
 #include <memory>
 
+NSString * const kRTCMediaConstraintsMinAspectRatio =
+    @(webrtc::MediaConstraintsInterface::kMinAspectRatio);
+NSString * const kRTCMediaConstraintsMaxAspectRatio =
+    @(webrtc::MediaConstraintsInterface::kMaxAspectRatio);
+NSString * const kRTCMediaConstraintsMinWidth =
+    @(webrtc::MediaConstraintsInterface::kMinWidth);
+NSString * const kRTCMediaConstraintsMaxWidth =
+    @(webrtc::MediaConstraintsInterface::kMaxWidth);
+NSString * const kRTCMediaConstraintsMinHeight =
+    @(webrtc::MediaConstraintsInterface::kMinHeight);
+NSString * const kRTCMediaConstraintsMaxHeight =
+    @(webrtc::MediaConstraintsInterface::kMaxHeight);
+NSString * const kRTCMediaConstraintsMinFrameRate =
+    @(webrtc::MediaConstraintsInterface::kMinFrameRate);
+NSString * const kRTCMediaConstraintsMaxFrameRate =
+    @(webrtc::MediaConstraintsInterface::kMaxFrameRate);
+
 namespace webrtc {
 
 MediaConstraints::~MediaConstraints() {}
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
index adc73f2f43..132e3f833b 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMediaConstraints.h
@@ -14,6 +14,15 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+RTC_EXTERN NSString * const kRTCMediaConstraintsMinAspectRatio;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMaxAspectRatio;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMaxWidth;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMinWidth;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMaxHeight;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMinHeight;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMaxFrameRate;
+RTC_EXTERN NSString * const kRTCMediaConstraintsMinFrameRate;
+
 RTC_EXPORT
 @interface RTCMediaConstraints : NSObject