diff --git a/mtapi_c/include/embb/mtapi/c/mtapi.h b/mtapi_c/include/embb/mtapi/c/mtapi.h
index 3e27488..380c26f 100644
--- a/mtapi_c/include/embb/mtapi/c/mtapi.h
+++ b/mtapi_c/include/embb/mtapi/c/mtapi.h
@@ -710,6 +710,9 @@ enum mtapi_task_attributes_enum {
   MTAPI_TASK_AFFINITY,
   MTAPI_TASK_USER_DATA,
   MTAPI_TASK_COMPLETE_FUNCTION
+#ifdef EMBB_HARD_REALTIME
+  ,MTAPI_TASK_DEADLINE
+#endif /*EMBB_HARD_REALTIME*/
 };
 /** size of the \a MTAPI_TASK_DETACHED attribute */
 #define MTAPI_TASK_DETACHED_SIZE sizeof(mtapi_boolean_t)
@@ -719,6 +722,10 @@ enum mtapi_task_attributes_enum {
 #define MTAPI_TASK_PRIORITY_SIZE sizeof(mtapi_uint_t)
 /** size of the \a MTAPI_TASK_AFFINITY attribute */
 #define MTAPI_TASK_AFFINITY_SIZE sizeof(mtapi_affinity_t)
+#ifdef EMBB_HARD_REALTIME
+/** size of the \a MTAPI_TASK_DEADLINE attribute */
+#define MTAPI_TASK_DEADLINE_SIZE sizeof(mtapi_uint64_t)
+#endif /*EMBB_HARD_REALTIME*/
 
 
 /**
@@ -810,6 +817,9 @@ struct mtapi_task_attributes_struct {
   mtapi_boolean_t is_detached;         /**< stores MTAPI_TASK_DETACHED */
   mtapi_uint_t num_instances;          /**< stores MTAPI_TASK_INSTANCES */
   mtapi_uint_t priority;               /**< stores MTAPI_TASK_PRIORITY */
+#ifdef EMBB_HARD_REALTIME
+  mtapi_uint64_t deadline;             /**< stores MTAPI_TASK_DEADLINE */
+#endif /*EMBB_HARD_REALTIME*/
   mtapi_affinity_t affinity;           /**< stores MTAPI_TASK_AFFINITY */
   void * user_data;                    /**< stores MTAPI_TASK_USER_DATA */
   mtapi_task_complete_function_t
diff --git a/mtapi_c/src/embb_mtapi_attr.c b/mtapi_c/src/embb_mtapi_attr.c
index fc14074..50e4da2 100644
--- a/mtapi_c/src/embb_mtapi_attr.c
+++ b/mtapi_c/src/embb_mtapi_attr.c
@@ -60,5 +60,8 @@ mtapi_status_t embb_mtapi_attr_get_##TYPE(const TYPE* source, \
 }
 
 embb_mtapi_attr_implementation(mtapi_uint_t);
+#ifdef EMBB_HARD_REALTIME
+embb_mtapi_attr_implementation(mtapi_uint64_t);
+#endif /*EMBB_HARD_REALTIME*/
 embb_mtapi_attr_implementation(mtapi_affinity_t);
 embb_mtapi_attr_implementation(mtapi_boolean_t);
diff --git a/mtapi_c/src/embb_mtapi_attr.h b/mtapi_c/src/embb_mtapi_attr.h
index 467ae09..09e953b 100644
--- a/mtapi_c/src/embb_mtapi_attr.h
+++ b/mtapi_c/src/embb_mtapi_attr.h
@@ -41,6 +41,9 @@ mtapi_status_t embb_mtapi_attr_get_##TYPE(const TYPE* source, \
   void* attribute, mtapi_size_t attribute_size);
 
 embb_mtapi_attr(mtapi_uint_t)
+#ifdef EMBB_HARD_REALTIME
+embb_mtapi_attr(mtapi_uint64_t);
+#endif /*EMBB_HARD_REALTIME*/
 embb_mtapi_attr(mtapi_affinity_t)
 embb_mtapi_attr(mtapi_boolean_t)
 
diff --git a/mtapi_c/src/embb_mtapi_task_t.c b/mtapi_c/src/embb_mtapi_task_t.c
index 9345ca3..d88e6d4 100644
--- a/mtapi_c/src/embb_mtapi_task_t.c
+++ b/mtapi_c/src/embb_mtapi_task_t.c
@@ -440,6 +440,13 @@ void mtapi_task_get_attribute(
             &local_task->attributes.priority, attribute, attribute_size);
           break;
 
+#ifdef EMBB_HARD_REALTIME
+        case MTAPI_TASK_DEADLINE:
+          local_status = embb_mtapi_attr_get_mtapi_uint64_t(
+            &local_task->attributes.deadline, attribute, attribute_size);
+          break;
+
+#endif /*EMBB_HARD_REALTIME*/
         default:
           local_status = MTAPI_ERR_ATTR_NUM;
           break;
diff --git a/mtapi_c/src/mtapi_task_attributes_t.c b/mtapi_c/src/mtapi_task_attributes_t.c
index 135b948..1ca1f7c 100644
--- a/mtapi_c/src/mtapi_task_attributes_t.c
+++ b/mtapi_c/src/mtapi_task_attributes_t.c
@@ -102,6 +102,13 @@ void mtapi_taskattr_set(
         local_status = MTAPI_SUCCESS;
         break;
 
+#ifdef EMBB_HARD_REALTIME
+      case MTAPI_TASK_DEADLINE:
+        local_status = embb_mtapi_attr_set_mtapi_uint64_t(
+          &attributes->deadline, attribute, attribute_size);
+        break;
+
+#endif /*EMBB_HARD_REALTIME*/
       default:
         /* attribute unknown */
         local_status = MTAPI_ERR_ATTR_NUM;
diff --git a/mtapi_cpp/include/embb/mtapi/task_attributes.h b/mtapi_cpp/include/embb/mtapi/task_attributes.h
index 228d3f5..08e47f5 100644
--- a/mtapi_cpp/include/embb/mtapi/task_attributes.h
+++ b/mtapi_cpp/include/embb/mtapi/task_attributes.h
@@ -137,6 +137,26 @@ class TaskAttributes {
     return *this;
   }
 
+#ifdef EMBB_HARD_REALTIME
+  /**
+   * Sets the deadline of a Task.
+   * The deadline influences the order in which tasks are chosen for execution
+   * if real-time scheduling is used as the scheduling method.
+   *
+   * \returns Reference to this object.
+   * \notthreadsafe
+   */
+  TaskAttributes & SetDeadline(
+    mtapi_uint64_t deadline            /**< The deadline to set. */
+    ) {
+    mtapi_status_t status;
+    mtapi_taskattr_set(&attributes_, MTAPI_TASK_DEADLINE,
+      &deadline, sizeof(deadline), &status);
+    internal::CheckStatus(status);
+    return *this;
+  }
+
+#endif /*EMBB_HARD_REALTIME*/
   /**
    * Returns the internal representation of this object.
    * Allows for interoperability with the C interface.