diff --git a/configure b/configure
index 29d533a6..60d63058 100755
--- a/configure
+++ b/configure
@@ -2257,9 +2257,9 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
 CLIXON_VERSION_MAJOR="4"
-CLIXON_VERSION_MINOR="6"
+CLIXON_VERSION_MINOR="7"
 CLIXON_VERSION_PATCH="0"
-CLIXON_VERSION="\"${CLIXON_VERSION_MAJOR}.${CLIXON_VERSION_MINOR}.${CLIXON_VERSION_PATCH}\""
+CLIXON_VERSION="\"${CLIXON_VERSION_MAJOR}.${CLIXON_VERSION_MINOR}.${CLIXON_VERSION_PATCH}.PRE\""
 
 # Check CLIgen
 if test "$prefix" = "NONE"; then
diff --git a/configure.ac b/configure.ac
index be43534b..942b7845 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,9 +48,9 @@ AC_INIT(lib/clixon/clixon.h.in)
 AC_CONFIG_AUX_DIR(aux)
 
 CLIXON_VERSION_MAJOR="4"
-CLIXON_VERSION_MINOR="6"
+CLIXON_VERSION_MINOR="7"
 CLIXON_VERSION_PATCH="0"
-CLIXON_VERSION="\"${CLIXON_VERSION_MAJOR}.${CLIXON_VERSION_MINOR}.${CLIXON_VERSION_PATCH}\""
+CLIXON_VERSION="\"${CLIXON_VERSION_MAJOR}.${CLIXON_VERSION_MINOR}.${CLIXON_VERSION_PATCH}.PRE\""
 
 # Check CLIgen
 if test "$prefix" = "NONE"; then