diff --git a/src/Makefile b/src/Makefile
index 82c10d0..c4c403b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -17,7 +17,7 @@
 ## You should have received a copy of the GNU Lesser General Public License
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 ##
-FW_VER ?= 4.3
+FW_VER ?= 4.4
 
 # Name of C file with main function
 BINARY = main