diff -Nru cjose-0.6.1+dfsg1/debian/changelog cjose-0.6.1+dfsg1/debian/changelog
--- cjose-0.6.1+dfsg1/debian/changelog	2021-11-16 09:03:15.000000000 +0000
+++ cjose-0.6.1+dfsg1/debian/changelog	2021-11-25 10:35:17.000000000 +0000
@@ -1,3 +1,10 @@
+cjose (0.6.1+dfsg1-3ubuntu1) jammy; urgency=medium
+
+  * d/rules: Disable -Werror for deprecation warnings to fix
+    the build against OpenSSL 3
+
+ -- Simon Chopin <simon.chopin@canonical.com>  Thu, 25 Nov 2021 11:35:17 +0100
+
 cjose (0.6.1+dfsg1-3) unstable; urgency=medium
 
   * Move myself from Uploaders to Maintainer
diff -Nru cjose-0.6.1+dfsg1/debian/control cjose-0.6.1+dfsg1/debian/control
--- cjose-0.6.1+dfsg1/debian/control	2021-11-16 09:02:37.000000000 +0000
+++ cjose-0.6.1+dfsg1/debian/control	2021-11-25 10:34:58.000000000 +0000
@@ -1,5 +1,6 @@
 Source: cjose
-Maintainer: Moritz Schlarb <schlarbm@uni-mainz.de>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Moritz Schlarb <schlarbm@uni-mainz.de>
 Uploaders: Christoph Martin <martin@uni-mainz.de>
 Build-Depends: debhelper-compat (= 13), pkg-config,
  libssl-dev, libjansson-dev (>= 2.3), check (>= 0.9.4)
diff -Nru cjose-0.6.1+dfsg1/debian/rules cjose-0.6.1+dfsg1/debian/rules
--- cjose-0.6.1+dfsg1/debian/rules	2021-11-16 08:38:07.000000000 +0000
+++ cjose-0.6.1+dfsg1/debian/rules	2021-11-25 10:33:34.000000000 +0000
@@ -2,6 +2,8 @@
 
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
+export DEB_CFLAGS_MAINT_APPEND = -Wno-error=deprecated-declarations
+
 #   make that slower buildds (armhf at least) can
 #   run the tests without hitting the default 4s timeout
 export CK_TIMEOUT_MULTIPLIER=10