diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d91e9cc..8fd1515 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,10 +17,12 @@
 
 jobs:
   linux:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     env:
       CC: ${{ matrix.compiler }}
+      GCC_VER: 12
+      CLANG_VER: 16
       TEST: test
       SRCDIR: ./src
       LEAK_CFLAGS: -DEXITFREE
@@ -81,10 +83,10 @@
               lcov \
               libcanberra-dev \
               libperl-dev \
-              python-dev \
+              python2-dev \
               python3-dev \
-              liblua5.3-dev \
-              lua5.3 \
+              liblua5.4-dev \
+              lua5.4 \
               ruby-dev \
               tcl-dev \
               cscope \
@@ -93,24 +95,24 @@
           fi
           sudo apt-get update && sudo apt-get install -y "${PKGS[@]}"
 
-      - name: Install gcc-11
+      - name: Install gcc-${{ env.GCC_VER }}
         if:  matrix.compiler == 'gcc'
         run: |
-          sudo apt-get install -y gcc-11
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100
-          sudo update-alternatives --set gcc /usr/bin/gcc-11
+          sudo apt-get install -y gcc-${{ env.GCC_VER }}
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ env.GCC_VER }} 100
+          sudo update-alternatives --set gcc /usr/bin/gcc-${{ env.GCC_VER }}
 
-      - name: Install clang-16
+      - name: Install clang-${{ env.CLANG_VER }}
         if: matrix.compiler == 'clang'
         run: |
           wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
           . /etc/lsb-release
-          sudo add-apt-repository -y "deb http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-16 main"
-          sudo apt-get install -y clang-16 llvm-16
-          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-16 100
-          sudo update-alternatives --set clang /usr/bin/clang-16
-          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-16 100
-          sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-16 100
+          sudo add-apt-repository -y "deb http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-${{ env.CLANG_VER }} main"
+          sudo apt-get install -y clang-${{ env.CLANG_VER }} llvm-${{ env.CLANG_VER }}
+          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ env.CLANG_VER }} 100
+          sudo update-alternatives --set clang /usr/bin/clang-${{ env.CLANG_VER }}
+          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-${{ env.CLANG_VER }} 100
+          sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-${{ env.CLANG_VER }} 100
 
       - name: Set up environment
         run: |
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index e399170..ba73390 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -9,7 +9,7 @@
 
 jobs:
   scan:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     env:
       CC: gcc
@@ -32,15 +32,15 @@
       - name: Install packages
         if: env.TOKEN
         run: |
-          sudo apt update && sudo apt install -y \
+          sudo apt-get update && sudo apt-get install -y \
             autoconf \
             gettext \
             libcanberra-dev \
             libperl-dev \
-            python-dev \
+            python2-dev \
             python3-dev \
-            liblua5.3-dev \
-            lua5.3 \
+            liblua5.4-dev \
+            lua5.4 \
             ruby-dev \
             tcl-dev \
             libgtk2.0-dev \
diff --git a/src/version.c b/src/version.c
index c3e2afe..263e98a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1474,
+/**/
     1473,
 /**/
     1472,