diff -Nru llvm-toolchain-13-13.0.1/debian/changelog llvm-toolchain-13-13.0.1/debian/changelog
--- llvm-toolchain-13-13.0.1/debian/changelog	2023-07-24 17:12:07.000000000 +0000
+++ llvm-toolchain-13-13.0.1/debian/changelog	2023-07-31 20:16:10.000000000 +0000
@@ -1,12 +1,16 @@
-llvm-toolchain-13 (1:13.0.1-11ubuntu17) mantic; urgency=medium
+llvm-toolchain-13 (1:13.0.1-13) unstable; urgency=medium
 
-  * Apply new cmake build fix from llvm-toolchain-16 branch
-  * Add gcc-13-build-fix.patch
+  * Fixup typo in SPIRV detection
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 31 Jul 2023 22:16:10 +0200
 
- -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 24 Jul 2023 19:12:07 +0200
+llvm-toolchain-13 (1:13.0.1-12) unstable; urgency=medium
 
-llvm-toolchain-13 (1:13.0.1-11ubuntu16) mantic; urgency=medium
+  [ Gianfranco Costamagna ]
+  * Apply new cmake build fix from llvm-toolchain-16 branch
+  * Add gcc-13-build-fix.patch (Closes: #1037757)
 
+  [ Nishit Majithia ]
   * SECURITY UPDATE: canonicalize pass crashed with segmentation fault
     - debian/patches/CVE-2023-29932.patch: Use default attributes for
       intrinsics
@@ -19,28 +23,10 @@
   * SECURITY UPDATE: spirv-lower-abi-attrs crashes with segmentation faults
     - debian/patches/CVE-2023-29939.patch: Fix crash in
       spirv-lower-abi-attributes when the are no SPIR-V env attributes
-    - CVE-2023-29939 
+    - CVE-2023-29939
 
  -- Nishit Majithia <nishit.majithia@canonical.com>  Fri, 28 Jul 2023 08:42:29 +0530
 
-llvm-toolchain-13 (1:13.0.1-11ubuntu15) mantic; urgency=medium
-
-  * Apply new cmake build fix from llvm-toolchain-16 branch
-
- -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 24 Jul 2023 19:12:07 +0200
-
-llvm-toolchain-13 (1:13.0.1-11ubuntu14) lunar; urgency=medium
-
-  * Rebuild against new OCAML ABI.
-
- -- Gianfranco Costamagna <locutusofborg@debian.org>  Fri, 27 Jan 2023 16:20:13 +0100
-
-llvm-toolchain-13 (1:13.0.1-11ubuntu13) lunar; urgency=medium
-
-  * Back in sync with Debian
-
- -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 04 Jan 2023 12:00:44 +0100
-
 llvm-toolchain-13 (1:13.0.1-11) unstable; urgency=medium
 
   * link-grpc.diff: add the detection of other libs necessary for
diff -Nru llvm-toolchain-13-13.0.1/debian/rules llvm-toolchain-13-13.0.1/debian/rules
--- llvm-toolchain-13-13.0.1/debian/rules	2023-07-24 17:12:07.000000000 +0000
+++ llvm-toolchain-13-13.0.1/debian/rules	2023-07-31 20:16:10.000000000 +0000
@@ -225,7 +225,7 @@
 	LLVM_SPIRV_INSTALLED = no
 else
 	# if executable is llvm-spirv without a -$(LLVM_VERSION) suffix
-	ifeq ($(LLVM_SPIRV:-$(LLVM_SPIR_VERSION)=),$(LLVM_SPIRV))
+	ifeq ($(LLVM_SPIRV:-$(LLVM_SPIRV_VERSION)=),$(LLVM_SPIRV))
 		# Too old llvm-spirv version are failing. See #52200
 		ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' $(notdir $(LLVM_SPIRV))) gt 10.0.0 ; echo $$?),0)
 			LLVM_SPIRV_INSTALLED = yes