diff --git a/packages/addons/service/downloadmanager/transmission/changelog.txt b/packages/addons/service/downloadmanager/transmission/changelog.txt
index 5b5c0c847d..5948f06547 100644
--- a/packages/addons/service/downloadmanager/transmission/changelog.txt
+++ b/packages/addons/service/downloadmanager/transmission/changelog.txt
@@ -1,5 +1,6 @@
 3.0.3
 - update to transmission-2.76
+- update libevent to libevent-2.0.21-stable
 
 3.0.2
 - update to transmission-2.74
diff --git a/packages/devel/libevent/meta b/packages/devel/libevent/meta
index 8e151870be..cc469168b3 100644
--- a/packages/devel/libevent/meta
+++ b/packages/devel/libevent/meta
@@ -19,7 +19,7 @@
 ################################################################################
 
 PKG_NAME="libevent"
-PKG_VERSION="2.0.20-stable"
+PKG_VERSION="2.0.21-stable"
 PKG_REV="1"
 PKG_ARCH="any"
 PKG_LICENSE="BSD"
diff --git a/packages/devel/libevent/patches/libevent-2.0.21-stable-automake-1.13.patch b/packages/devel/libevent/patches/libevent-2.0.21-stable-automake-1.13.patch
new file mode 100644
index 0000000000..20be348621
--- /dev/null
+++ b/packages/devel/libevent/patches/libevent-2.0.21-stable-automake-1.13.patch
@@ -0,0 +1,46 @@
+diff --git a/configure.in b/configure.in
+index 18165f3..97007b5 100644
+--- a/configure.in
++++ b/configure.in
+@@ -7,12 +7,13 @@ dnl
+ dnl Original version Dug Song <dugsong@monkey.org>
+ 
+ AC_PREREQ(2.59c)
+-AC_INIT(event.c)
++AC_INIT([libevent], [2.0.21-stable])
++AC_CONFIG_SRCDIR([event.c])
+ 
+ AC_CONFIG_MACRO_DIR([m4])
+ 
+-AM_INIT_AUTOMAKE(libevent,2.0.21-stable)
+-AM_CONFIG_HEADER(config.h)
++AM_INIT_AUTOMAKE
++AC_CONFIG_HEADERS(config.h)
+ AC_DEFINE(NUMERIC_VERSION, 0x02001500, [Numeric representation of the version])
+ 
+ dnl Initialize prefix.
+diff --git a/test/Makefile.am b/test/Makefile.am
+index b10c41a..53e00e4 100644
+--- a/test/Makefile.am
++++ b/test/Makefile.am
+@@ -19,8 +19,6 @@ endif
+ EXTRA_PROGRAMS = regress
+ noinst_HEADERS = tinytest.h tinytest_macros.h regress.h tinytest_local.h
+ 
+-TESTS = $(top_srcdir)/test/test.sh
+-
+ BUILT_SOURCES =
+ if BUILD_REGRESS
+ BUILT_SOURCES += regress.gen.c regress.gen.h
+diff --git a/test/Makefile.in b/test/Makefile.in
+index 451bd3c..939ad57 100644
+--- a/test/Makefile.in
++++ b/test/Makefile.in
+@@ -315,7 +315,6 @@ AUTOMAKE_OPTIONS = foreign
+ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/compat -I$(top_srcdir)/include -I../include -DTINYTEST_LOCAL
+ EXTRA_DIST = regress.rpc regress.gen.h regress.gen.c rpcgen_wrapper.sh test.sh
+ noinst_HEADERS = tinytest.h tinytest_macros.h regress.h tinytest_local.h
+-TESTS = $(top_srcdir)/test/test.sh
+ BUILT_SOURCES = $(am__append_2)
+ test_init_SOURCES = test-init.c
+ test_init_LDADD = ../libevent_core.la