diff --git a/pigpio.c b/pigpio.c
index 1ea82cd..92b9bf7 100644
--- a/pigpio.c
+++ b/pigpio.c
@@ -25,7 +25,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 For more information, please refer to <http://unlicense.org/>
 */
 
-/* pigpio version 77 */
+/* pigpio version 78 */
 
 /* include ------------------------------------------------------- */
 
diff --git a/pigpio.h b/pigpio.h
index 7697514..2f9fc64 100644
--- a/pigpio.h
+++ b/pigpio.h
@@ -30,7 +30,7 @@ For more information, please refer to <http://unlicense.org/>
 #include <stdint.h>
 #include <pthread.h>
 
-#define PIGPIO_VERSION 7702
+#define PIGPIO_VERSION 7800
 
 /*TEXT
 
diff --git a/pigpio.py b/pigpio.py
index 7fc80a5..edb6734 100644
--- a/pigpio.py
+++ b/pigpio.py
@@ -331,7 +331,7 @@ import threading
 import os
 import atexit
 
-VERSION = "1.46"
+VERSION = "1.78"  # sync minor number to pigpio library version
 
 exceptions = True
 
diff --git a/setup.py b/setup.py
index 023a2c4..4dbb8a9 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='pigpio',
-      version='1.46',
+      version='1.78',
       author='joan',
       author_email='joan@abyz.me.uk',
       maintainer='joan',