diff --git a/gammaray.changes b/gammaray.changes
index 463f6d5..463da7d 100644
--- a/gammaray.changes
+++ b/gammaray.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jun  8 08:36:40 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Don't build gammaray with glslang on Tumbleweed.
+  The glslang 11.4.0 update broke the build.
+
 -------------------------------------------------------------------
 Mon Dec 28 02:50:33 UTC 2020 - Wang Jun <jgwang@suse.com>
 
diff --git a/gammaray.spec b/gammaray.spec
index 91e8c6b..952035f 100644
--- a/gammaray.spec
+++ b/gammaray.spec
@@ -71,8 +71,11 @@ BuildRequires:  cmake(VTK) = 7.1.0
 %endif
 # Needed to build the user manual
 BuildRequires:  libqt5-qtdoc-devel
-#
+# Build issue with glslang 11.4.0
+# https://github.com/KDAB/GammaRay/issues/635
+%if 0%{?suse_version} <= 1500 
 BuildRequires:  glslang-devel
+%endif
 BuildRequires:  libqt5-qtscxml-private-headers-devel >= 5.8.0
 BuildRequires:  cmake(KF5SyntaxHighlighting) >= 5.28.0
 BuildRequires:  cmake(Qt5Scxml) >= 5.8.0