diff --git a/.abf.yml b/.abf.yml
index 2f33c65..5c5f04b 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  IMSProg-1.4.2.tar.gz: 11fd39a1a2bc0d84013014e82ab8c026e8557336
+  IMSProg-1.4.3.tar.gz: a67ab488ce8c9a00c466f64cbe83bba64a054bb2
diff --git a/IMSProg.spec b/IMSProg.spec
index 1ab88e2..c2bd1fa 100644
--- a/IMSProg.spec
+++ b/IMSProg.spec
@@ -1,7 +1,7 @@
 %define secscan 1
 
 Name:		IMSProg
-Version:	1.4.2
+Version:	1.4.3
 %global rel %{nil}
 Release:	1
 Summary:	I2C, SPI and MicroWire EEPROM/Flash chip programmer for CH341a devices