diff --git a/.gitignore b/.gitignore
index f14e7b9..33c1ecb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /shaderc-2024.0.tar.gz
 /caa54d9779d5605aca4e1a0c0c962a3d8f4aeb31.tar.gz
 /3362e24c42ab5bf7ad32c0fec64b0a0ddeb2fda1.tar.gz
+/73743588fe9c39f2f1c780a087d94afac691a189.tar.gz
diff --git a/shaderc.spec b/shaderc.spec
index 827a3c4..32153eb 100644
--- a/shaderc.spec
+++ b/shaderc.spec
@@ -1,10 +1,10 @@
 # Glslang revision from packaged version
-%global glslang_version 3362e24c42ab5bf7ad32c0fec64b0a0ddeb2fda1
+%global glslang_version 73743588fe9c39f2f1c780a087d94afac691a189
 
 Name:           shaderc
-Version:        2025.2
+Version:        2025.4
 Release:        1%{?dist}
-Summary:        A collection of tools, libraries, and tests for Vulkan shader compilation
+Summary:        Collection of tools, libraries, and tests for Vulkan shader compilation
 
 License:        ASL 2.0
 URL:            https://github.com/google/shaderc
@@ -121,6 +121,9 @@ sed -i 's|SPIRV/GlslangToSpv.h|glslang/SPIRV/GlslangToSpv.h|' libshaderc_util/sr
 %{_libdir}/pkgconfig/shaderc_combined.pc
 
 %changelog
+* Thu 08 2026 José Expósito <jexposit@redhat.com> - 2025.4-1
+- Update to 1.4.328.1 SDK
+
 * Mon Jan 20 2025 José Expósito <jexposit@redhat.com> - 2024.4-1
 - Update to 1.4.304.0 SDK
 
diff --git a/sources b/sources
index eab0d79..f1d7822 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (3362e24c42ab5bf7ad32c0fec64b0a0ddeb2fda1.tar.gz) = 3af58c8b8fecd9a1c415c636a343f27e62593f00cc6f51ac745622cec136d4880c6e28b2ce35d1176196937256db8a6bef80dcfb76f5b7223e19c1887b689b30
+SHA512 (73743588fe9c39f2f1c780a087d94afac691a189.tar.gz) = 14c90d57950b36b59cab2d67ba7235b6708a3b7bef617223b2552e0483f51114fafac05866e806a35e79a7ccbfc0aeb802a8ea5c56d6e9e1305acb93cd637e80