diff --git a/SPIRV-Headers-1.5.3.g22.tar.xz b/SPIRV-Headers-1.5.3.g22.tar.xz
deleted file mode 100644
index 68b2f43..0000000
--- a/SPIRV-Headers-1.5.3.g22.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1049ea3460a30e3fa6b31548d6cd1c343d40835d17e74ff55dfef84565d298f4
-size 132920
diff --git a/SPIRV-Headers-1.5.4.g8.tar.xz b/SPIRV-Headers-1.5.4.g8.tar.xz
new file mode 100644
index 0000000..7166fdb
--- /dev/null
+++ b/SPIRV-Headers-1.5.4.g8.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:628f5d0ee80905b6ea92d1268a1788b8d418ad5bc73b28e94fc5515601ac78c8
+size 134076
diff --git a/_service b/_service
index 1e01b75..206335c 100644
--- a/_service
+++ b/_service
@@ -2,9 +2,9 @@
 	<service name="tar_scm" mode="disabled">
  		<param name="scm">git</param>
 		<param name="url">https://github.com/KhronosGroup/SPIRV-Headers</param>
-		<param name="revision">3fdabd0da2932c276b25b9b4a988ba134eba1aa6</param>
-		<param name="parent-tag">1.5.3</param>
-		<param name="versionformat">1.5.3.g@TAG_OFFSET@</param>
+		<param name="revision">104ecc356c1bea4476320faca64440cd1df655a3</param>
+		<param name="parent-tag">1.5.4</param>
+		<param name="versionformat">1.5.4.g@TAG_OFFSET@</param>
 	</service>
 	<service name="recompress" mode="disabled">
 		<param name="file">*.tar</param>
diff --git a/spirv-headers.changes b/spirv-headers.changes
index d13f0e8..cb55999 100644
--- a/spirv-headers.changes
+++ b/spirv-headers.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Nov 25 17:08:48 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to 1.5.4.g8 / 1.5.4.raytracing (104ecc35)
+  * Added SPV_KHR_fragment_shading_rate
+  * Add SPV_EXT_shader_image_int64
+  * Raytracing and Rayquery updates for final
+
 -------------------------------------------------------------------
 Mon Oct  5 17:57:34 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/spirv-headers.spec b/spirv-headers.spec
index 8e441c2..77c56bc 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -17,7 +17,7 @@
 
 
 Name:           spirv-headers
-Version:        1.5.3.g22
+Version:        1.5.4.g8
 Release:        0
 Summary:        Machine-readable files from the SPIR-V registry
 License:        MIT