diff --git a/docs/Doxyfile b/docs/Doxyfile
index cc6d1ff51..445866358 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = ChibiOS/RT
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 1.2.3
+PROJECT_NUMBER         = 1.2.4
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/src/include/ch.h b/src/include/ch.h
index 84a597011..348a984e9 100644
--- a/src/include/ch.h
+++ b/src/include/ch.h
@@ -42,7 +42,7 @@
 /**
  * Kernel version string.
  */
-#define CH_KERNEL_VERSION       "1.2.3"
+#define CH_KERNEL_VERSION       "1.2.4"
 
 /**
  * Kernel version major number.
@@ -57,7 +57,7 @@
 /**
  * Kernel version patch number.
  */
-#define CH_KERNEL_PATCH         3
+#define CH_KERNEL_PATCH         4
 
 /*
  * Common values.