diff --git a/proc/Makefile.am b/proc/Makefile.am
index d14ef075..f000dbcb 100644
--- a/proc/Makefile.am
+++ b/proc/Makefile.am
@@ -6,7 +6,7 @@ AM_CPPFLAGS = \
 
 #
 # See http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-LIBprocps_CURRENT=3
+LIBprocps_CURRENT=4
 LIBprocps_REVISION=0
 LIBprocps_AGE=0