diff --git a/media-sound/bespokesynth/bespokesynth-1.2.1.ebuild b/media-sound/bespokesynth/bespokesynth-1.2.1.ebuild
index d22bc627b2..8eae82a1fa 100644
--- a/media-sound/bespokesynth/bespokesynth-1.2.1.ebuild
+++ b/media-sound/bespokesynth/bespokesynth-1.2.1.ebuild
@@ -32,6 +32,7 @@ DEPEND="
 	dev-libs/jsoncpp
 	dev-cpp/asio
 	>=virtual/jack-2
+	x11-libs/libX11
 	x11-libs/libXrandr
 "
 
diff --git a/media-sound/bespokesynth/bespokesynth-1.3.0.ebuild b/media-sound/bespokesynth/bespokesynth-1.3.0.ebuild
index 13687a0900..467f4d7e9d 100644
--- a/media-sound/bespokesynth/bespokesynth-1.3.0.ebuild
+++ b/media-sound/bespokesynth/bespokesynth-1.3.0.ebuild
@@ -34,6 +34,7 @@ DEPEND="
 	dev-libs/jsoncpp
 	dev-cpp/asio
 	>=virtual/jack-2
+	x11-libs/libX11
 	x11-libs/libXrandr
 "