diff --git a/configure.ac b/configure.ac
index f1dc788c..c64ed924 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,9 +22,9 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 # For libtool.
 dnl Please update these for releases.
-OPUS_LT_CURRENT=9
+OPUS_LT_CURRENT=10
 OPUS_LT_REVISION=0
-OPUS_LT_AGE=9
+OPUS_LT_AGE=10
 
 AC_SUBST(OPUS_LT_CURRENT)
 AC_SUBST(OPUS_LT_REVISION)