diff --git a/configure.ac b/configure.ac
index 7bd3c58..9a26778 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 #*****************************************************************************
 
 AC_PREREQ([2.69])
-AC_INIT([cglm], [0.5.5], [info@recp.me])
+AC_INIT([cglm], [0.6.0], [info@recp.me])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
 
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 33fda4e..4cd1de2 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -62,9 +62,9 @@ author = u'Recep Aslantas'
 # built documents.
 #
 # The short X.Y version.
-version = u'0.5.5'
+version = u'0.6.0'
 # The full version, including alpha/beta/rc tags.
-release = u'0.5.5'
+release = u'0.6.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/include/cglm/color.h b/include/cglm/color.h
index 69566ad..77949dc 100644
--- a/include/cglm/color.h
+++ b/include/cglm/color.h
@@ -23,4 +23,10 @@ glm_luminance(vec3 rgb) {
   return glm_dot(rgb, l);
 }
 
+CGLM_INLINE
+void
+glm_normal(vec3 a, vec3 b, vec3 c, vec3 dest) {
+
+}
+
 #endif /* cglm_color_h */
diff --git a/include/cglm/version.h b/include/cglm/version.h
index d406e2c..5843f4b 100644
--- a/include/cglm/version.h
+++ b/include/cglm/version.h
@@ -9,7 +9,7 @@
 #define cglm_version_h
 
 #define CGLM_VERSION_MAJOR 0
-#define CGLM_VERSION_MINOR 5
-#define CGLM_VERSION_PATCH 5
+#define CGLM_VERSION_MINOR 6
+#define CGLM_VERSION_PATCH 0
 
 #endif /* cglm_version_h */