diff --git a/mail-client/claws-mail/claws-mail-3.15.0-r2.ebuild b/mail-client/claws-mail/claws-mail-3.15.0-r2.ebuild
index 8ba2db39ab46b..7e7feaa001ca8 100644
--- a/mail-client/claws-mail/claws-mail-3.15.0-r2.ebuild
+++ b/mail-client/claws-mail/claws-mail-3.15.0-r2.ebuild
@@ -31,7 +31,7 @@ COMMONDEPEND="
 	)
 	bogofilter? ( mail-filter/bogofilter )
 	calendar? (
-		>=dev-libs/libical-2.0.0
+		>=dev-libs/libical-2.0.0:=
 		>=net-misc/curl-7.9.7
 	)
 	dbus? ( >=dev-libs/dbus-glib-0.60 )
diff --git a/mail-client/claws-mail/claws-mail-3.15.1.ebuild b/mail-client/claws-mail/claws-mail-3.15.1.ebuild
index 8a2d2a097e6b6..2392454c221ef 100644
--- a/mail-client/claws-mail/claws-mail-3.15.1.ebuild
+++ b/mail-client/claws-mail/claws-mail-3.15.1.ebuild
@@ -31,7 +31,7 @@ COMMONDEPEND="
 	)
 	bogofilter? ( mail-filter/bogofilter )
 	calendar? (
-		>=dev-libs/libical-2.0.0
+		>=dev-libs/libical-2.0.0:=
 		>=net-misc/curl-7.9.7
 	)
 	dbus? ( >=dev-libs/dbus-glib-0.60 )
diff --git a/mail-client/claws-mail/claws-mail-3.16.0.ebuild b/mail-client/claws-mail/claws-mail-3.16.0.ebuild
index db659cadd4a8a..cc00879ebd7ae 100644
--- a/mail-client/claws-mail/claws-mail-3.16.0.ebuild
+++ b/mail-client/claws-mail/claws-mail-3.16.0.ebuild
@@ -31,7 +31,7 @@ COMMONDEPEND="
 	)
 	bogofilter? ( mail-filter/bogofilter )
 	calendar? (
-		>=dev-libs/libical-2.0.0
+		>=dev-libs/libical-2.0.0:=
 		>=net-misc/curl-7.9.7
 	)
 	dbus? ( >=dev-libs/dbus-glib-0.60 )
diff --git a/mail-client/claws-mail/claws-mail-9999.ebuild b/mail-client/claws-mail/claws-mail-9999.ebuild
index a7c026c215a20..4b9a1b1f12eb5 100644
--- a/mail-client/claws-mail/claws-mail-9999.ebuild
+++ b/mail-client/claws-mail/claws-mail-9999.ebuild
@@ -36,7 +36,7 @@ COMMONDEPEND="
 	)
 	bogofilter? ( mail-filter/bogofilter )
 	calendar? (
-		>=dev-libs/libical-2.0.0
+		>=dev-libs/libical-2.0.0:=
 		>=net-misc/curl-7.9.7
 	)
 	dbus? ( >=dev-libs/dbus-glib-0.60 )