diff --git a/.gitignore b/.gitignore
index 140f153..7bcfed3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,3 +53,4 @@
 /gtk-4.13.2.tar.xz
 /gtk-4.13.3.tar.xz
 /gtk-4.13.4.tar.xz
+/gtk-4.13.5.tar.xz
diff --git a/gtk4.spec b/gtk4.spec
index 1a4e5bf..fec5fcb 100644
--- a/gtk4.spec
+++ b/gtk4.spec
@@ -16,7 +16,7 @@
 %global __provides_exclude_from ^%{_libdir}/gtk-4.0
 
 Name:           gtk4
-Version:        4.13.4
+Version:        4.13.5
 Release:        %autorelease
 Summary:        GTK graphical user interface library
 
@@ -31,6 +31,7 @@ BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  gettext
 BuildRequires:  gi-docgen
+BuildRequires:  glslc
 BuildRequires:  meson
 BuildRequires:  python3-gobject
 BuildRequires:  pkgconfig(avahi-gobject)
diff --git a/sources b/sources
index be6e0a5..2a33bba 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gtk-4.13.4.tar.xz) = 736d44dba2351d46bd3473b6eb5a0c29753f8d444484ed98911eee19b100a9536e91651b8de2cd1f3fdd5ff002467c90e5247b3d847d89a54a306e4301c63150
+SHA512 (gtk-4.13.5.tar.xz) = 4305fb0ed14fe2666a8c6972133835291ba8bda90e1d83780ba37cbb93d66f0c9e2221e91d5fc1503758df1dd8acf2e6528b01e8a978e93245d10b4d8ca2b1c8