diff --git a/firebase-auth/src/androidMain/kotlin/dev/gitlive/firebase/auth/user.kt b/firebase-auth/src/androidMain/kotlin/dev/gitlive/firebase/auth/user.kt
index 47a942bdb..ba7c7bb64 100644
--- a/firebase-auth/src/androidMain/kotlin/dev/gitlive/firebase/auth/user.kt
+++ b/firebase-auth/src/androidMain/kotlin/dev/gitlive/firebase/auth/user.kt
@@ -48,8 +48,8 @@ actual class FirebaseUser internal constructor(val android: com.google.firebase.
     actual suspend fun updatePhoneNumber(credential: PhoneAuthCredential) = android.updatePhoneNumber(credential.android).await().run { Unit }
     actual suspend fun updateProfile(displayName: String?, photoUrl: String?) {
         val request = UserProfileChangeRequest.Builder()
-            .setDisplayName(displayName)
-            .setPhotoUri(photoUrl?.let { Uri.parse(it) })
+            .apply { if(displayName !== UNCHANGED) setDisplayName(displayName) }
+            .apply { if(photoUrl !== UNCHANGED) setPhotoUri(photoUrl?.let { Uri.parse(it) }) }
             .build()
         android.updateProfile(request).await()
     }
diff --git a/firebase-auth/src/commonMain/kotlin/dev/gitlive/firebase/auth/user.kt b/firebase-auth/src/commonMain/kotlin/dev/gitlive/firebase/auth/user.kt
index 3d00c412f..92e9083b0 100644
--- a/firebase-auth/src/commonMain/kotlin/dev/gitlive/firebase/auth/user.kt
+++ b/firebase-auth/src/commonMain/kotlin/dev/gitlive/firebase/auth/user.kt
@@ -4,6 +4,9 @@
 
 package dev.gitlive.firebase.auth
 
+//workaround for https://youtrack.jetbrains.com/issue/KT-48836
+internal val UNCHANGED = ""
+
 expect class FirebaseUser {
     val uid: String
     val displayName: String?
@@ -28,7 +31,7 @@ expect class FirebaseUser {
     suspend fun updateEmail(email: String)
     suspend fun updatePassword(password: String)
     suspend fun updatePhoneNumber(credential: PhoneAuthCredential)
-    suspend fun updateProfile(displayName: String? = this.displayName, photoUrl: String? = this.photoURL)
+    suspend fun updateProfile(displayName: String? = UNCHANGED, photoUrl: String? = UNCHANGED)
     suspend fun verifyBeforeUpdateEmail(newEmail: String, actionCodeSettings: ActionCodeSettings? = null)
 }
 
diff --git a/firebase-auth/src/iosMain/kotlin/dev/gitlive/firebase/auth/user.kt b/firebase-auth/src/iosMain/kotlin/dev/gitlive/firebase/auth/user.kt
index d322fdb4c..a765e10eb 100644
--- a/firebase-auth/src/iosMain/kotlin/dev/gitlive/firebase/auth/user.kt
+++ b/firebase-auth/src/iosMain/kotlin/dev/gitlive/firebase/auth/user.kt
@@ -4,7 +4,10 @@
 
 package dev.gitlive.firebase.auth
 
-import cocoapods.FirebaseAuth.*
+import cocoapods.FirebaseAuth.FIRAuthDataResult
+import cocoapods.FirebaseAuth.FIRUser
+import cocoapods.FirebaseAuth.FIRUserInfoProtocol
+import cocoapods.FirebaseAuth.FIRUserMetadata
 import platform.Foundation.NSURL
 
 actual class FirebaseUser internal constructor(val ios: FIRUser) {
@@ -65,10 +68,9 @@ actual class FirebaseUser internal constructor(val ios: FIRUser) {
     actual suspend fun updatePassword(password: String) = ios.await { updatePassword(password, it) }.run { Unit }
     actual suspend fun updatePhoneNumber(credential: PhoneAuthCredential) = ios.await { updatePhoneNumberCredential(credential.ios, it) }.run { Unit }
     actual suspend fun updateProfile(displayName: String?, photoUrl: String?) {
-        val request = ios.profileChangeRequest().apply {
-            this.displayName = displayName
-            this.photoURL = photoUrl?.let { NSURL.URLWithString(it) }
-        }
+        val request = ios.profileChangeRequest()
+            .apply { if(displayName !== UNCHANGED) setDisplayName(displayName) }
+            .apply { if(photoUrl !== UNCHANGED) setPhotoURL(photoUrl?.let { NSURL.URLWithString(it) }) }
         ios.await { request.commitChangesWithCompletion(it) }
     }
     actual suspend fun verifyBeforeUpdateEmail(newEmail: String, actionCodeSettings: ActionCodeSettings?) = ios.await {
diff --git a/firebase-auth/src/jsMain/kotlin/dev/gitlive/firebase/auth/user.kt b/firebase-auth/src/jsMain/kotlin/dev/gitlive/firebase/auth/user.kt
index ab6cb796e..ec0070a9e 100644
--- a/firebase-auth/src/jsMain/kotlin/dev/gitlive/firebase/auth/user.kt
+++ b/firebase-auth/src/jsMain/kotlin/dev/gitlive/firebase/auth/user.kt
@@ -3,6 +3,7 @@ package dev.gitlive.firebase.auth
 import dev.gitlive.firebase.firebase
 import kotlinx.coroutines.await
 import kotlin.js.Date
+import kotlin.js.json
 
 actual class FirebaseUser internal constructor(val js: firebase.user.User) {
     actual val uid: String
@@ -44,11 +45,11 @@ actual class FirebaseUser internal constructor(val js: firebase.user.User) {
     actual suspend fun updatePassword(password: String) = rethrow { js.updatePassword(password).await() }
     actual suspend fun updatePhoneNumber(credential: PhoneAuthCredential) = rethrow { js.updatePhoneNumber(credential.js).await() }
     actual suspend fun updateProfile(displayName: String?, photoUrl: String?) = rethrow {
-        val request = object : firebase.user.ProfileUpdateRequest {
-            override val displayName: String? = displayName
-            override val photoURL: String? = photoUrl
-        }
-        js.updateProfile(request).await()
+        val request = listOfNotNull(
+            displayName.takeUnless { it === UNCHANGED }?.let { "displayName" to it },
+            photoUrl.takeUnless { it === UNCHANGED }?.let { "photoURL" to it }
+        )
+        js.updateProfile(json(*request.toTypedArray())).await()
     }
     actual suspend fun verifyBeforeUpdateEmail(newEmail: String, actionCodeSettings: ActionCodeSettings?) = rethrow { js.verifyBeforeUpdateEmail(newEmail, actionCodeSettings?.toJson()).await() }
 }
diff --git a/firebase-common/src/jsMain/kotlin/dev/gitlive/firebase/externals.kt b/firebase-common/src/jsMain/kotlin/dev/gitlive/firebase/externals.kt
index 544575171..1ff8f04e1 100644
--- a/firebase-common/src/jsMain/kotlin/dev/gitlive/firebase/externals.kt
+++ b/firebase-common/src/jsMain/kotlin/dev/gitlive/firebase/externals.kt
@@ -213,7 +213,7 @@ external object firebase {
             fun updateEmail(newEmail: String): Promise<Unit>
             fun updatePassword(newPassword: String): Promise<Unit>
             fun updatePhoneNumber(phoneCredential: auth.AuthCredential): Promise<Unit>
-            fun updateProfile(profile: ProfileUpdateRequest): Promise<Unit>
+            fun updateProfile(profile: Json): Promise<Unit>
             fun verifyBeforeUpdateEmail(newEmail: String, actionCodeSettings: Any?): Promise<Unit>
         }