diff --git a/lib/Module.mk b/lib/Module.mk
index a8437a5e..c2e55d73 100644
--- a/lib/Module.mk
+++ b/lib/Module.mk
@@ -33,7 +33,7 @@ LIBMAN5FILES := $(MODULE_DIR)/sensors.conf.5
 # changed in a backward incompatible way.  The interface is defined by
 # the public header files - in this case they are error.h and sensors.h.
 LIBMAINVER := 4
-LIBMINORVER := 3.2
+LIBMINORVER := 4.0
 LIBVER := $(LIBMAINVER).$(LIBMINORVER)
 
 # The static lib name, the shared lib name, and the internal ('so') name of