diff --git a/net-misc/libreswan/libreswan-3.17.ebuild b/net-misc/libreswan/libreswan-3.17.ebuild
index f1cdc86431ee4..9cae013c203c8 100644
--- a/net-misc/libreswan/libreswan-3.17.ebuild
+++ b/net-misc/libreswan/libreswan-3.17.ebuild
@@ -23,7 +23,7 @@ IUSE="caps curl dnssec ldap pam"
 
 COMMON_DEPEND="
 	dev-libs/gmp:0=
-	dev-libs/libevent
+	dev-libs/libevent:0=
 	dev-libs/nspr
 	caps? ( sys-libs/libcap-ng )
 	curl? ( net-misc/curl )
diff --git a/net-misc/libreswan/libreswan-3.18.ebuild b/net-misc/libreswan/libreswan-3.18.ebuild
index 499660655c49b..71e3301281dfb 100644
--- a/net-misc/libreswan/libreswan-3.18.ebuild
+++ b/net-misc/libreswan/libreswan-3.18.ebuild
@@ -23,7 +23,7 @@ IUSE="caps curl dnssec ldap pam systemd"
 
 COMMON_DEPEND="
 	dev-libs/gmp:0=
-	dev-libs/libevent
+	dev-libs/libevent:0=
 	dev-libs/nspr
 	caps? ( sys-libs/libcap-ng )
 	curl? ( net-misc/curl )
diff --git a/net-misc/libreswan/libreswan-9999.ebuild b/net-misc/libreswan/libreswan-9999.ebuild
index 499660655c49b..71e3301281dfb 100644
--- a/net-misc/libreswan/libreswan-9999.ebuild
+++ b/net-misc/libreswan/libreswan-9999.ebuild
@@ -23,7 +23,7 @@ IUSE="caps curl dnssec ldap pam systemd"
 
 COMMON_DEPEND="
 	dev-libs/gmp:0=
-	dev-libs/libevent
+	dev-libs/libevent:0=
 	dev-libs/nspr
 	caps? ( sys-libs/libcap-ng )
 	curl? ( net-misc/curl )