Release 0.3.1
diff --git a/Makefile.in b/Makefile.in
index 3a762f1..d7724b4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -129,7 +129,7 @@
 
 # version-string calculation
 CFG_GIT_DIR := $(CFG_SRC_DIR).git
-CFG_RELEASE = 0.3
+CFG_RELEASE = 0.3.1
 CFG_VERSION = $(CFG_RELEASE)
 
 ifneq ($(wildcard $(CFG_GIT)),)