diff --git a/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.api b/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.api
index 209294981a..e2c695df71 100644
--- a/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.api
+++ b/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.api
@@ -2,7 +2,7 @@ public final class io/ktor/client/plugins/auth/AuthConfig {
 	public fun <init> ()V
 	public final fun getProviders ()Ljava/util/List;
 	public final fun isUnauthorizedResponse ()Lkotlin/jvm/functions/Function2;
-	public final fun setUnauthorizedResponse (Lkotlin/jvm/functions/Function2;)V
+	public final fun reAuthorizeOnResponse (Lkotlin/jvm/functions/Function2;)V
 }
 
 public final class io/ktor/client/plugins/auth/AuthKt {
diff --git a/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.klib.api b/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.klib.api
index 63cead3b8f..a5f0797997 100644
--- a/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.klib.api
+++ b/ktor-client/ktor-client-plugins/ktor-client-auth/api/ktor-client-auth.klib.api
@@ -158,7 +158,8 @@ final class io.ktor.client.plugins.auth/AuthConfig { // io.ktor.client.plugins.a
 
     final var isUnauthorizedResponse // io.ktor.client.plugins.auth/AuthConfig.isUnauthorizedResponse|{}isUnauthorizedResponse[0]
         final fun <get-isUnauthorizedResponse>(): kotlin.coroutines/SuspendFunction1<io.ktor.client.statement/HttpResponse, kotlin/Boolean> // io.ktor.client.plugins.auth/AuthConfig.isUnauthorizedResponse.<get-isUnauthorizedResponse>|<get-isUnauthorizedResponse>(){}[0]
-        final fun <set-isUnauthorizedResponse>(kotlin.coroutines/SuspendFunction1<io.ktor.client.statement/HttpResponse, kotlin/Boolean>) // io.ktor.client.plugins.auth/AuthConfig.isUnauthorizedResponse.<set-isUnauthorizedResponse>|<set-isUnauthorizedResponse>(kotlin.coroutines.SuspendFunction1<io.ktor.client.statement.HttpResponse,kotlin.Boolean>){}[0]
+
+    final fun reAuthorizeOnResponse(kotlin.coroutines/SuspendFunction1<io.ktor.client.statement/HttpResponse, kotlin/Boolean>) // io.ktor.client.plugins.auth/AuthConfig.reAuthorizeOnResponse|reAuthorizeOnResponse(kotlin.coroutines.SuspendFunction1<io.ktor.client.statement.HttpResponse,kotlin.Boolean>){}[0]
 }
 
 final val io.ktor.client.plugins.auth/Auth // io.ktor.client.plugins.auth/Auth|{}Auth[0]
diff --git a/ktor-client/ktor-client-plugins/ktor-client-auth/common/src/io/ktor/client/plugins/auth/Auth.kt b/ktor-client/ktor-client-plugins/ktor-client-auth/common/src/io/ktor/client/plugins/auth/Auth.kt
index 31ef42a1f5..1316376dea 100644
--- a/ktor-client/ktor-client-plugins/ktor-client-auth/common/src/io/ktor/client/plugins/auth/Auth.kt
+++ b/ktor-client/ktor-client-plugins/ktor-client-auth/common/src/io/ktor/client/plugins/auth/Auth.kt
@@ -34,9 +34,23 @@ public class AuthConfig {
     public val providers: MutableList<AuthProvider> = mutableListOf()
 
     /**
-     * A lambda function to control whether a response is unauthorized and should trigger a refresh / re-auth.
+     * The currently set function to control whether a response is unauthorized and should trigger a refresh / re-auth.
+     *
+     * By default checks against HTTP status 401.
+     *
+     * You can set this value via [reAuthorizeOnResponse].
      */
     public var isUnauthorizedResponse: suspend (HttpResponse) -> Boolean = { it.status == HttpStatusCode.Unauthorized }
+        private set
+
+    /**
+     * Sets a custom function to control whether a response is unauthorized and should trigger a refresh / re-auth.
+     *
+     * Use this to change the value of [isUnauthorizedResponse].
+     */
+    public fun reAuthorizeOnResponse(block: suspend (HttpResponse) -> Boolean) {
+        isUnauthorizedResponse = block
+    }
 }
 
 /**
diff --git a/ktor-client/ktor-client-plugins/ktor-client-auth/common/test/io/ktor/client/plugins/auth/AuthTest.kt b/ktor-client/ktor-client-plugins/ktor-client-auth/common/test/io/ktor/client/plugins/auth/AuthTest.kt
index 6c6a236f17..20107f77f5 100644
--- a/ktor-client/ktor-client-plugins/ktor-client-auth/common/test/io/ktor/client/plugins/auth/AuthTest.kt
+++ b/ktor-client/ktor-client-plugins/ktor-client-auth/common/test/io/ktor/client/plugins/auth/AuthTest.kt
@@ -407,7 +407,7 @@ class AuthTest : ClientLoader() {
     fun testForbiddenBearerAuthWithInvalidAccessAndValidRefreshTokens() = clientTests {
         config {
             install(Auth) {
-                isUnauthorizedResponse = { it.status == HttpStatusCode.Forbidden }
+                reAuthorizeOnResponse { it.status == HttpStatusCode.Forbidden }
                 bearer {
                     refreshTokens { BearerTokens("valid", "refresh") }
                     loadTokens { BearerTokens("invalid", "refresh") }