diff --git a/14.3.0.tar.gz b/14.3.0.tar.gz
deleted file mode 100644
index a9804a3..0000000
--- a/14.3.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:be6339048e20280938d9cb399fcdd06e04f8654d43e170e8cce5a56c9a754284
-size 3851265
diff --git a/15.0.0.tar.gz b/15.0.0.tar.gz
new file mode 100644
index 0000000..8cc2f15
--- /dev/null
+++ b/15.0.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c31c8c2e89af907507c0631273989526ee7d5cdf7df95ececd628fd7b811e064
+size 3864508
diff --git a/_scmsync.obsinfo b/_scmsync.obsinfo
index ec9e943..293f608 100644
--- a/_scmsync.obsinfo
+++ b/_scmsync.obsinfo
@@ -1,4 +1,4 @@
-mtime: 1720604356
-commit: b2956866ab6dba106a71b552f99eb95238d9d897bd212f81c8c5f7cdd9add3c3
+mtime: 1727385908
+commit: fe753e3e5ad067e4e77e4fb762f8e8a53adc1f5279d5b87e8432249de8b299f7
 url: https://src.opensuse.org/jengelh/glslang
 revision: master
diff --git a/baselibs.conf b/baselibs.conf
index 924a319..9eb2bf5 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1 +1 @@
-libglslang14
+libglslang15
diff --git a/build.specials.obscpio b/build.specials.obscpio
index a2585bd..4795036 100644
--- a/build.specials.obscpio
+++ b/build.specials.obscpio
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8753fd84f48cabbca5d8ec1cc13835d38a394c394a9caacbc583a4af8fa58456
+oid sha256:bad4e52feb83adad3d49d7c93a218e7f182811f7fa53ee84852f1bcc5d4b3b23
 size 256
diff --git a/glslang.changes b/glslang.changes
index 60c56f2..1b27bd5 100644
--- a/glslang.changes
+++ b/glslang.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Thu Sep 26 19:29:05 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 15
+  * Add setResourceSetBinding method to the API
+  * Add interface to get the GLSL IO mapper and resolver
+  * Allow compute derivative modes when the workgroup dimensions
+    are spec constants
+  * Merge ancillary libraries into main glslang library and stub
+    originals
+  * Add public setSourceFile and addSourceText methods to TShader
+    class
+  * Add types and functions for IO mapping to API
+  * Add function to set preprocessed code to API
+  * Add set/get version functions to API
+
 -------------------------------------------------------------------
 Wed Jun 26 00:22:03 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/glslang.spec b/glslang.spec
index 2fd9dfb..7a8e0be 100644
--- a/glslang.spec
+++ b/glslang.spec
@@ -16,9 +16,9 @@
 #
 
 
-%define lname libglslang14
+%define lname libglslang15
 Name:           glslang
-Version:        14.3.0
+Version:        15.0.0
 Release:        0
 Summary:        OpenGL and OpenGL ES shader front end and validator
 License:        BSD-3-Clause
@@ -89,8 +89,9 @@ but which some downstream packages rely on.
 
 %build
 %global _lto_cflags %{?_lto_cflags} -ffat-lto-objects
-# ABI keeps on breaking (gh#3052 #3311 #3312 #3593)
-echo "V_%version { global: *; };" >/tmp/z.sym
+# (gh#3052 #3311 #3312 #3593) -- supposedly handled better in
+# glslang-15 and onwards, do watch for ABI breaks
+#echo "V_%version { global: *; };" >/tmp/z.sym
 %if 0%{?suse_version} && 0%{?suse_version} < 1599
 export CC=gcc-11 CXX=g++-11
 %endif
@@ -141,11 +142,10 @@ done
 
 %fdupes %buildroot/%_prefix
 
-%post   -n %lname -p /sbin/ldconfig
-%postun -n %lname -p /sbin/ldconfig
+%ldconfig_scriptlets -n %lname
 
 %files -n %lname
-%_libdir/*.so.14*
+%_libdir/*.so.15*
 
 %files devel -f devel.files
 %_bindir/gls*