diff --git a/makefile b/makefile
index 17a23f1..e110afa 100644
--- a/makefile
+++ b/makefile
@@ -1,7 +1,7 @@
 #makefile for TomsFastMath
 #
 #
-VERSION=0.12
+VERSION=0.13
 
 CFLAGS += -Wall -W -Wshadow -Isrc/headers
 
diff --git a/makefile.shared b/makefile.shared
index 66c9981..59103db 100644
--- a/makefile.shared
+++ b/makefile.shared
@@ -1,7 +1,7 @@
 #makefile for TomsFastMath
 #
 #
-VERSION=0:12
+VERSION=0:13:0
 
 LT  ?= libtool
 LTCOMPILE = $(LT) --mode=compile --tag=CC $(CC)
diff --git a/src/headers/tfm.h b/src/headers/tfm.h
index e03d2f8..343bdef 100644
--- a/src/headers/tfm.h
+++ b/src/headers/tfm.h
@@ -22,8 +22,8 @@
  * Patch
  * XX - undefined
  */
-#define TFM_VERSION     0x000C0000
-#define TFM_VERSION_S   "0.12"
+#define TFM_VERSION     0x000D0000
+#define TFM_VERSION_S   "v0.13.0"
 
 #ifndef MIN
    #define MIN(x,y) ((x)<(y)?(x):(y))
diff --git a/tfm.tex b/tfm.tex
index a93438e..7bd3159 100644
--- a/tfm.tex
+++ b/tfm.tex
@@ -49,7 +49,7 @@
 \begin{document}
 \frontmatter
 \pagestyle{empty}
-\title{TomsFastMath User Manual \\ v0.12}
+\title{TomsFastMath User Manual \\ v0.13.0}
 \author{Tom St Denis \\ tomstdenis@gmail.com}
 \maketitle
 This text and library are all hereby placed in the public domain.  This book has been formatted for B5