diff --git a/include/etl/random.h b/include/etl/random.h
index cffeb4cc..459f22f2 100644
--- a/include/etl/random.h
+++ b/include/etl/random.h
@@ -38,6 +38,7 @@ SOFTWARE.
 
 namespace etl
 {
+#if defined(ETL_POLYMORPHIC_RANDOM)
   //***************************************************************************
   /// The base for all 32 bit random number generators.
   //***************************************************************************
@@ -53,6 +54,23 @@ namespace etl
     virtual uint32_t operator()() = 0;
     virtual uint32_t range(uint32_t low, uint32_t high) = 0;
   };
+#else
+  //***************************************************************************
+  /// The base for all 32 bit random number generators.
+  /// Empty, non-virtual.
+  //***************************************************************************
+  class random
+  {
+  protected:
+    random()
+    {
+    }
+
+    ~random()
+    {
+    }
+  };
+#endif
 
   //***************************************************************************
   /// A 32 bit random number generator.
diff --git a/include/etl/version.h b/include/etl/version.h
index 36722ccd..bde5c74c 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -38,8 +38,8 @@ SOFTWARE.
 ///\ingroup utilities
 
 #define ETL_VERSION_MAJOR 14
-#define ETL_VERSION_MINOR 26
-#define ETL_VERSION_PATCH  8
+#define ETL_VERSION_MINOR 27
+#define ETL_VERSION_PATCH  0
 
 #define ETL_VERSION       ETL_STRINGIFY(ETL_VERSION_MAJOR) ETL_STRINGIFY(ETL_VERSION_MINOR) ETL_STRINGIFY(ETL_VERSION_PATCH)
 #define ETL_VERSION_W     ETL_WIDE_STRING(ETL_CONCAT(ETL_CONCAT(ETL_VERSION_MAJOR, ETL_VERSION_MINOR), ETL_VERSION_PATCH))
diff --git a/support/Release notes.txt b/support/Release notes.txt
index f020d732..997084eb 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,8 @@
+===============================================================================
+14.27.0
+ETL's random number generators are now non-polymorphic by default.
+Define ETL_POLYMORPHIC_RANDOM to enable previous functionality.
+
 ===============================================================================
 14.26.8
 Moved global operators to ETL namespace.
diff --git a/test/etl_profile.h b/test/etl_profile.h
index 4fd138ab..578de812 100644
--- a/test/etl_profile.h
+++ b/test/etl_profile.h
@@ -43,6 +43,8 @@ SOFTWARE.
 #define ETL_MESSAGE_TIMER_USE_ATOMIC_LOCK
 #define ETL_CALLBACK_TIMER_USE_ATOMIC_LOCK
 
+#define ETL_POLYMORPHIC_RANDOM
+
 #define ETL_POLYMORPHIC_BITSET
 #define ETL_POLYMORPHIC_DEQUE
 #define ETL_POLYMORPHIC_FLAT_MAP