diff --git a/_service b/_service
index d8700c1..5798d43 100644
--- a/_service
+++ b/_service
@@ -3,6 +3,7 @@
  		<param name="scm">git</param>
 		<param name="url">https://github.com/KhronosGroup/SPIRV-Headers</param>
 		<param name="filename">spirv-headers</param>
+		<param name="revision">17da9f8231f78cf519b4958c2229463a63ead9e2</param>
 		<param name="parent-tag">02ffc719aa9f9c1dce5ce05743fb1afe6cbf17ea</param>
 		<param name="versionformat">1.3.g@TAG_OFFSET@</param>
 	</service>
diff --git a/spirv-headers-1.3.g44.tar.xz b/spirv-headers-1.3.g44.tar.xz
deleted file mode 100644
index 37ee713..0000000
--- a/spirv-headers-1.3.g44.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:339db2c8225a7386834e0524bb307026e6c05c019c091e8874d6bb5bda976dc3
-size 96952
diff --git a/spirv-headers-1.3.g50.tar.xz b/spirv-headers-1.3.g50.tar.xz
new file mode 100644
index 0000000..84ce2a9
--- /dev/null
+++ b/spirv-headers-1.3.g50.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:78d0ddfb924b9fc6c77f17fa9207ab7c69c1f7b094942effecf9b5fd35cecf95
+size 97728
diff --git a/spirv-headers.changes b/spirv-headers.changes
index 20fc957..1fa9408 100644
--- a/spirv-headers.changes
+++ b/spirv-headers.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Dec 14 23:33:12 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to new snapshot 1.3.g50
+  * Reserve tokens for float controls and no integer wrapping
+  * Add JSON support for SPV_EXT_fragment_invocation_density
+
 -------------------------------------------------------------------
 Sat Nov 10 12:11:07 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/spirv-headers.spec b/spirv-headers.spec
index b947a83..051b949 100644
--- a/spirv-headers.spec
+++ b/spirv-headers.spec
@@ -16,10 +16,10 @@
 #
 
 
-%define version_unconverted 1.3.g44
+%define version_unconverted 1.3.g50
 
 Name:           spirv-headers
-Version:        1.3.g44
+Version:        1.3.g50
 Release:        0
 Summary:        Machine-readable files from the SPIR-V registry
 License:        MIT