Bump version numbers

configure.ac

diff --git a/configure.ac b/configure.ac
index 7d3279d..2aec68d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@
 # For libtool.
 dnl Please update these for releases.
 OPUS_LT_CURRENT=5
-OPUS_LT_REVISION=4
+OPUS_LT_REVISION=5
 OPUS_LT_AGE=5
 
 AC_SUBST(OPUS_LT_CURRENT)

version.mk

diff --git a/version.mk b/version.mk
index 91c5105..354ea5d 100644
--- a/version.mk
+++ b/version.mk
@@ -1,2 +1,2 @@
 # static version string; update manually every release.
-PACKAGE_VERSION = "1.1.4"
+PACKAGE_VERSION = "1.1.5"