diff --git a/pkgs/development/libraries/gtksourceview/4.x.nix b/pkgs/development/libraries/gtksourceview/4.x.nix
index b7828de45585..315547ad3868 100644
--- a/pkgs/development/libraries/gtksourceview/4.x.nix
+++ b/pkgs/development/libraries/gtksourceview/4.x.nix
@@ -23,13 +23,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gtksourceview";
-  version = "4.8.3";
+  version = "4.8.4";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "wwAZUGMgyiR02DTM7R4iF+pTPgDrKj9Ot4eQB5QOxoI=";
+    sha256 = "fsnRj7KD0fhKOj7/O3pysJoQycAGWXs/uru1lYQgqH0=";
   };
 
   patches = [