diff --git a/include/sta/mutex.hpp b/include/sta/mutex.hpp
index 1147f75..97a44dd 100644
--- a/include/sta/mutex.hpp
+++ b/include/sta/mutex.hpp
@@ -20,6 +20,10 @@ namespace sta
          * @brief Block until mutex has been acquired.
          */
         virtual void acquire() = 0;
+        /**
+         * @brief Block until mutex has been acquired.
+         */
+        virtual void acquire(uint32_t timeout) = 0;
         /**
          * @brief Release mutex.
          */
diff --git a/src/mutex.cpp b/src/mutex.cpp
index 2472911..c8c3e33 100644
--- a/src/mutex.cpp
+++ b/src/mutex.cpp
@@ -10,6 +10,7 @@ namespace sta
     {
     public:
         void acquire() override {}
+        void acquire(uint32_t timeout) override {}
         void release() override {}
     };