diff --git a/dev-lang/gdl/gdl-1.0.0_rc3-r1.ebuild b/dev-lang/gdl/gdl-1.0.0_rc3-r1.ebuild
index 8ad53af5da658..3ddd3c10fb224 100644
--- a/dev-lang/gdl/gdl-1.0.0_rc3-r1.ebuild
+++ b/dev-lang/gdl/gdl-1.0.0_rc3-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -28,7 +28,7 @@ RDEPEND="
 	dev-cpp/antlr-cpp:2=
 	dev-libs/expat
 	sci-libs/gsl:0=
-	sci-libs/plplot:0=[cxx,-dynamic]
+	sci-libs/plplot:0=[X,cxx,-dynamic]
 	sys-libs/ncurses:0=
 	sys-libs/readline:0=
 	sys-libs/zlib
diff --git a/dev-lang/gdl/gdl-1.0.1.ebuild b/dev-lang/gdl/gdl-1.0.1.ebuild
index 3dd1b363bd8fd..e6c87cb4a0cce 100644
--- a/dev-lang/gdl/gdl-1.0.1.ebuild
+++ b/dev-lang/gdl/gdl-1.0.1.ebuild
@@ -26,7 +26,7 @@ RDEPEND="
 	dev-libs/expat
 	net-libs/libtirpc:=
 	sci-libs/gsl:0=
-	sci-libs/plplot:0=[cxx,-dynamic,wxwidgets?]
+	sci-libs/plplot:0=[X,cxx,-dynamic,wxwidgets?]
 	sys-libs/ncurses:0=
 	sys-libs/readline:0=
 	sys-libs/zlib