diff --git a/Crashlytics/Crashlytics/FIRCrashlytics.m b/Crashlytics/Crashlytics/FIRCrashlytics.m
index 3d5163e5aa9..7d42e501f1e 100644
--- a/Crashlytics/Crashlytics/FIRCrashlytics.m
+++ b/Crashlytics/Crashlytics/FIRCrashlytics.m
@@ -223,6 +223,10 @@ + (void)load {
     id<FIRSessionsProvider> sessions = FIR_COMPONENT(FIRSessionsProvider, container);
     id<FIRRemoteConfigInterop> remoteConfig = FIR_COMPONENT(FIRRemoteConfigInterop, container);
 
+    if (remoteConfig) {
+      [remoteConfig registerRolloutsStateSubscriber:@"fire-cls" subscriber:self];
+    }
+
     FIRInstallations *installations = [FIRInstallations installationsWithApp:container.app];
 
     *isCacheable = YES;
diff --git a/Crashlytics/Crashlytics/Public/FirebaseCrashlytics/FIRCrashlytics.h b/Crashlytics/Crashlytics/Public/FirebaseCrashlytics/FIRCrashlytics.h
index 1ace1bed780..58603838cf4 100644
--- a/Crashlytics/Crashlytics/Public/FirebaseCrashlytics/FIRCrashlytics.h
+++ b/Crashlytics/Crashlytics/Public/FirebaseCrashlytics/FIRCrashlytics.h
@@ -16,7 +16,7 @@
 
 #import "FIRCrashlyticsReport.h"
 #import "FIRExceptionModel.h"
-
+@protocol FIRRolloutsStateSubscriber;
 #if __has_include(<Crashlytics/Crashlytics.h>)
 #warning "FirebaseCrashlytics and Crashlytics are not compatible \
 in the same app because including multiple crash reporters can \
@@ -35,7 +35,7 @@ NS_ASSUME_NONNULL_BEGIN
  * we suggest using a wrapper class or a protocol extension.
  */
 NS_SWIFT_NAME(Crashlytics)
-@interface FIRCrashlytics : NSObject
+@interface FIRCrashlytics : NSObject <FIRRolloutsStateSubscriber>
 
 /** :nodoc: */
 - (instancetype)init NS_UNAVAILABLE;