diff --git a/pkgs/desktops/xfce/core/libxfce4ui/default.nix b/pkgs/desktops/xfce/core/libxfce4ui/default.nix
index eef6fe0f7238..3cd9b17eccae 100644
--- a/pkgs/desktops/xfce/core/libxfce4ui/default.nix
+++ b/pkgs/desktops/xfce/core/libxfce4ui/default.nix
@@ -4,9 +4,9 @@
 mkXfceDerivation {
   category = "xfce";
   pname = "libxfce4ui";
-  version = "4.18.3";
+  version = "4.18.4";
 
-  sha256 = "sha256-Wb1nq744HDO4erJ2nJdFD0OMHVh14810TngN3FLFWIA=";
+  sha256 = "sha256-HnLmZftvFvQAvmQ7jZCaYAQ5GB0YMjzhqZkILzvifoE=";
 
   nativeBuildInputs = [ gobject-introspection vala ];
   buildInputs =  [ gtk3 libstartup_notification libgtop libepoxy xfconf ];
diff --git a/pkgs/desktops/xfce/core/xfce4-panel/default.nix b/pkgs/desktops/xfce/core/xfce4-panel/default.nix
index ee46950b2e01..d45eb2f6afb4 100644
--- a/pkgs/desktops/xfce/core/xfce4-panel/default.nix
+++ b/pkgs/desktops/xfce/core/xfce4-panel/default.nix
@@ -16,9 +16,9 @@
 mkXfceDerivation {
   category = "xfce";
   pname = "xfce4-panel";
-  version = "4.18.3";
+  version = "4.18.4";
 
-  sha256 = "sha256-NSy0MTphzGth0w+Kn93hWvsjLw6qR8SqjYYc1Z2SWIs=";
+  sha256 = "sha256-OEU9NzvgWn6zJGdK9Te2qBbARlwvRrLHuaUocNyGd/g=";
 
   nativeBuildInputs = [
     gobject-introspection