bump the libtool revision number only
diff --git a/src/libFLAC++/Makefile.am b/src/libFLAC++/Makefile.am
index 19a0ee6..112f454 100644
--- a/src/libFLAC++/Makefile.am
+++ b/src/libFLAC++/Makefile.am
@@ -30,7 +30,7 @@
 	libFLAC++.m4
 
 # see 'http://www.gnu.org/software/libtool/manual.html#Versioning' for numbering convention
-libFLAC___la_LDFLAGS = -version-info 3:0:1
+libFLAC___la_LDFLAGS = -version-info 3:1:1
 
 libFLAC___la_SOURCES = \
 	file_decoder.cpp \
diff --git a/src/libFLAC/Makefile.am b/src/libFLAC/Makefile.am
index c881a6f..4717598 100644
--- a/src/libFLAC/Makefile.am
+++ b/src/libFLAC/Makefile.am
@@ -45,7 +45,7 @@
 	libFLAC.m4
 
 # see 'http://www.gnu.org/software/libtool/manual.html#Versioning' for numbering convention
-libFLAC_la_LDFLAGS = -version-info 5:0:1
+libFLAC_la_LDFLAGS = -version-info 5:1:1
 
 libFLAC_la_SOURCES = \
 	bitbuffer.c \
diff --git a/src/libOggFLAC++/Makefile.am b/src/libOggFLAC++/Makefile.am
index 847eeaf..8823777 100644
--- a/src/libOggFLAC++/Makefile.am
+++ b/src/libOggFLAC++/Makefile.am
@@ -30,7 +30,7 @@
 	libOggFLAC++.m4
 
 # see 'http://www.gnu.org/software/libtool/manual.html#Versioning' for numbering convention
-libOggFLAC___la_LDFLAGS = -version-info 0:2:0
+libOggFLAC___la_LDFLAGS = -version-info 0:3:0
 
 libOggFLAC___la_SOURCES = \
 	stream_decoder.cpp \
diff --git a/src/libOggFLAC/Makefile.am b/src/libOggFLAC/Makefile.am
index c842fd2..58c189a 100644
--- a/src/libOggFLAC/Makefile.am
+++ b/src/libOggFLAC/Makefile.am
@@ -36,7 +36,7 @@
 
 libOggFLAC_la_LIBADD = @OGG_LIBS@
 # see 'http://www.gnu.org/software/libtool/manual.html#Versioning' for numbering convention
-libOggFLAC_la_LDFLAGS = -version-info 1:0:0
+libOggFLAC_la_LDFLAGS = -version-info 1:1:0
 
 libOggFLAC_la_SOURCES = \
 	stream_decoder.c \