diff --git a/Makefile b/Makefile
index 1f0bbb4..5c2540c 100644
--- a/Makefile
+++ b/Makefile
@@ -3207,7 +3207,7 @@ prep:
 	${Q}echo '=-=-=-=-=-= end of ${MAKE} chk =-=-=-=-=-='
 	${Q}echo
 	@${Q}if ! ./chk_tree >/dev/null 2>&1; then \
-	    echo almost satifactory except for chk_tree; \
+	    echo almost satisfactory except for chk_tree; \
 	else \
 	    echo All is OK; \
 	fi
diff --git a/Makefile.config b/Makefile.config
index 9c86a46..7b05eae 100644
--- a/Makefile.config
+++ b/Makefile.config
@@ -1245,11 +1245,11 @@ EXT=
 
 # The calc version in the form of x.y.z.w
 #
-VERSION= 2.15.1.2
+VERSION= 2.16.0.0
 
 # The calc major version in the form of x.y.z
 #
-VER= 2.15.1
+VER= 2.16.0
 
 # Names of shared libraries with versions
 #
diff --git a/version.h b/version.h
index cb48788..243496e 100644
--- a/version.h
+++ b/version.h
@@ -62,9 +62,9 @@
  *      bug fix and improvement updates will cause MINOR_PATCH to increment.
  */
 #define MAJOR_VER       2       /* level 1: major library version */
-#define MINOR_VER       15      /* level 2: minor library version */
-#define MAJOR_PATCH     1       /* level 3: major software version level */
-#define MINOR_PATCH     2       /* level 4: minor software version level */
+#define MINOR_VER       16      /* level 2: minor library version */
+#define MAJOR_PATCH     0       /* level 3: major software version level */
+#define MINOR_PATCH     0       /* level 4: minor software version level */
 
 /*
  * Defining PERMIT_DANGEROUS_ADDRESS_ARITHMETIC is NOT supported!