diff --git a/SPIRV-Headers-1.5.4.g37.tar.xz b/SPIRV-Headers-1.5.4.g37.tar.xz
new file mode 100644
index 0000000..eb39390
--- /dev/null
+++ b/SPIRV-Headers-1.5.4.g37.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92bca9ef969a50ea789307cf97f23d7a3435d363941969d5e4ca66674985dfac
+size 138512
diff --git a/SPIRV-Headers-1.5.4.g39.tar.xz b/SPIRV-Headers-1.5.4.g39.tar.xz
deleted file mode 100644
index 0b7b2a5..0000000
--- a/SPIRV-Headers-1.5.4.g39.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:32d6b35b1ad1f5fe65ce5532cbe36a2aff94a1155f50d2fff0c92c0cab5f7ed2
-size 138564
diff --git a/_service b/_service
index 0542845..4089b93 100644
--- a/_service
+++ b/_service
@@ -2,7 +2,7 @@
 	<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="revision">2e335d5fbf882756b106e0497d8f109930766461</param>
 		<param name="parent-tag">1.5.4</param>
 		<param name="versionformat">1.5.4.g@TAG_OFFSET@</param>
 	</service>
diff --git a/spirv-headers.changes b/spirv-headers.changes
index 08de9b3..563e720 100644
--- a/spirv-headers.changes
+++ b/spirv-headers.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Wed Feb 10 14:15:26 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
-- Update to 1.5.4.g39 (3fdabd0d)
+- Update to 1.5.4.g37 (2e335d5f)
   * Add SPV_KHR_workgroup_memory_explicit_layout
 
 -------------------------------------------------------------------
diff --git a/spirv-headers.spec b/spirv-headers.spec
index 2457516..651f3d6 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -17,7 +17,7 @@
 
 
 Name:           spirv-headers
-Version:        1.5.4.g39
+Version:        1.5.4.g37
 Release:        0
 Summary:        Machine-readable files from the SPIR-V registry
 License:        MIT