diff -pruN 1.9.1-2/debian/changelog 1.9.1-2ubuntu2/debian/changelog
--- 1.9.1-2/debian/changelog	2021-03-21 23:04:01.000000000 +0000
+++ 1.9.1-2ubuntu2/debian/changelog	2022-02-18 03:20:59.000000000 +0000
@@ -1,9 +1,34 @@
+doxygen (1.9.1-2ubuntu2) jammy; urgency=medium
+
+  * Build using LLVM 14.
+
+ -- Matthias Klose <doko@ubuntu.com>  Fri, 18 Feb 2022 04:20:59 +0100
+
+doxygen (1.9.1-2ubuntu1) hirsute; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Build using LLVM 12, also on riscv64.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Wed, 24 Mar 2021 15:06:54 +0100
+
 doxygen (1.9.1-2) unstable; urgency=medium
 
   * Build with LLVM support on riscv64. Closes: #985587.
 
  -- Paolo Greppi <paolo.greppi@libpf.com>  Mon, 22 Mar 2021 00:04:01 +0100
 
+doxygen (1.9.1-1ubuntu2) hirsute; urgency=medium
+
+  * Temporarily build using LLVM 11, can be reverted after a new LLVM 12 build.
+
+ -- Matthias Klose <doko@ubuntu.com>  Sat, 20 Mar 2021 12:52:20 +0100
+
+doxygen (1.9.1-1ubuntu1) hirsute; urgency=medium
+
+  * Build using LLVM 12, also on riscv64.
+
+ -- Matthias Klose <doko@ubuntu.com>  Tue, 02 Mar 2021 05:34:34 +0100
+
 doxygen (1.9.1-1) unstable; urgency=medium
 
   * Bump standards version to 4.5.1: No changes needed.
diff -pruN 1.9.1-2/debian/control 1.9.1-2ubuntu2/debian/control
--- 1.9.1-2/debian/control	2021-03-21 10:06:46.000000000 +0000
+++ 1.9.1-2ubuntu2/debian/control	2022-02-18 03:20:50.000000000 +0000
@@ -10,9 +10,9 @@ Build-Depends: debhelper-compat (= 12),
   zlib1g-dev,
   libxapian-dev (>= 1.2.21-1.2),
   cmake,
-  llvm-11-dev     [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
-  libclang-11-dev [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
-  clang-11        [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
+  llvm-14-dev     [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
+  libclang-14-dev [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
+  clang-14        [amd64 armel armhf arm64 i386 mips mipsel mips64el ppc64 ppc64el riscv64 s390x sparc64],
   sassc,
   faketime,
   mat2