diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da5a12f8..cf6b8d71 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -85,6 +85,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - name: Install gcc-12
+      run: sudo apt install -y gcc-12 g++-12
+
     - name: Install multilibs
       run: sudo apt install gcc-multilib g++-multilib
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4decf06b..968d485c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,10 @@ if(ZINT_SANITIZE)
             # Gives warning on MainWindow::setupUI() and retries (& takes forever) if var-tracking-assignments enabled
             add_compile_options(-fno-var-tracking-assignments)
         endif()
+        if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+            # Recent clangs added deprecation warnings for `sprintf()` that are only triggered on sanitize - suppress
+            add_compile_options(-W-no-deprecated-declarations)
+        endif()
     endif()
 endif()
 
diff --git a/README b/README
index a9907f3f..80d5de5a 100644
--- a/README
+++ b/README
@@ -40,7 +40,7 @@ Please see "ChangeLog" in the project root directory.
 
 LICENSE
 -------
-Zint, libzint and Zint Barcode Studio are Copyright © 2022 Robin Stuart. All
+Zint, libzint and Zint Barcode Studio are Copyright © 2023 Robin Stuart. All
 historical versions are distributed under the GNU General Public License
 version 3 or later. Versions 2.5 and later are released under a dual license:
 the encoding library is released under the BSD (3 clause) license whereas the