diff --git a/core/src/commonMain/kotlin/kotlinx/rpc/RpcCall.kt b/core/src/commonMain/kotlin/kotlinx/rpc/RpcCall.kt
index 7c08860ba..6c123fd34 100644
--- a/core/src/commonMain/kotlin/kotlinx/rpc/RpcCall.kt
+++ b/core/src/commonMain/kotlin/kotlinx/rpc/RpcCall.kt
@@ -1,11 +1,14 @@
 /*
- * Copyright 2023-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2023-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
 
 package kotlinx.rpc
 
 import kotlinx.rpc.descriptor.RpcServiceDescriptor
 
+@Deprecated("Use RpcCall instead", ReplaceWith("RpcCall"), level = DeprecationLevel.ERROR)
+public typealias RPCCall = RpcCall
+
 /**
  * Represents a method or field call of an RPC service.
  *
diff --git a/core/src/commonMain/kotlin/kotlinx/rpc/RpcClient.kt b/core/src/commonMain/kotlin/kotlinx/rpc/RpcClient.kt
index 84ee9e252..019d66418 100644
--- a/core/src/commonMain/kotlin/kotlinx/rpc/RpcClient.kt
+++ b/core/src/commonMain/kotlin/kotlinx/rpc/RpcClient.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2023-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
 
 package kotlinx.rpc
@@ -8,6 +8,9 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Deferred
 import kotlin.coroutines.CoroutineContext
 
+@Deprecated("Use RpcClient instead", ReplaceWith("RpcClient"), level = DeprecationLevel.ERROR)
+public typealias RPCClient = RpcClient
+
 /**
  * [RpcClient] represents an abstraction of an RPC client, that can handle requests from several RPC services,
  * transform them, send to the server and handle responses and errors.