diff --git a/dev-libs/libevent/libevent-9999.ebuild b/dev-libs/libevent/libevent-9999.ebuild
index 71d7fb943c273..ed19f34dab5f2 100644
--- a/dev-libs/libevent/libevent-9999.ebuild
+++ b/dev-libs/libevent/libevent-9999.ebuild
@@ -15,12 +15,13 @@ LICENSE="BSD"
 SLOT="0"
 KEYWORDS=""
 IUSE="
-	+clock-gettime debug libressl malloc-replacement +ssl static-libs test
-	+threads verbose-debug
+	+clock-gettime debug libressl malloc-replacement mbedtls +ssl static-libs
+	test +threads verbose-debug
 "
 RESTRICT="test"
 
 DEPEND="
+	mbedtls? ( net-libs/mbedtls )
 	ssl? (
 		!libressl? ( >=dev-libs/openssl-1.0.1h-r2:0=[${MULTILIB_USEDEP}] )
 		libressl? ( dev-libs/libressl:0=[${MULTILIB_USEDEP}] )
@@ -52,6 +53,7 @@ multilib_src_configure() {
 		$(use_enable clock-gettime) \
 		$(use_enable debug debug-mode) \
 		$(use_enable malloc-replacement malloc-replacement) \
+		$(use_enable mbedtls) \
 		$(use_enable ssl openssl) \
 		$(use_enable static-libs static) \
 		$(use_enable test libevent-regress) \
diff --git a/dev-libs/libevent/metadata.xml b/dev-libs/libevent/metadata.xml
index 0669d49f12f17..78451ccf1300c 100644
--- a/dev-libs/libevent/metadata.xml
+++ b/dev-libs/libevent/metadata.xml
@@ -1,19 +1,21 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person">
-		<email>jer@gentoo.org</email>
-		<name>Jeroen Roovers</name>
-	</maintainer>
-	<upstream>
-		<remote-id type="cpe">cpe:/a:niels_provos:libevent</remote-id>
-		<remote-id type="sourceforge">levent</remote-id>
-		<remote-id type="github">libevent/libevent</remote-id>
-	</upstream>
-	<use>
-		<flag name="clock-gettime">Disable use of clock_gettime even if it is available</flag>
-		<flag name="debug">Support for running in debug mode</flag>
-		<flag name="malloc-replacement">Support for replacing the memory management functions</flag>
-		<flag name="verbose-debug">Support for verbose debug logging</flag>
-	</use>
+<maintainer type="person">
+<email>jer@gentoo.org</email>
+<name>Jeroen Roovers</name>
+</maintainer>
+<upstream>
+<remote-id type="cpe">cpe:/a:niels_provos:libevent</remote-id>
+<remote-id type="github">libevent/libevent</remote-id>
+<remote-id type="sourceforge">levent</remote-id>
+</upstream>
+<use>
+<flag name="clock-gettime">Disable use of clock_gettime even if it is available</flag>
+<flag name="debug">Support for running in debug mode</flag>
+<flag name="malloc-replacement">Support for replacing the memory management functions</flag>
+<flag name="mbedtls">Support for <pkg>net-libs/mbedtls</pkg> encryption</flag>
+<flag name="ssl">Support for <pkg>dev-libs/openssl</pkg> encryption</flag>
+<flag name="verbose-debug">Support for verbose debug logging</flag>
+</use>
 </pkgmetadata>