diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 50bfe83..3e07ea5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -6,8 +6,8 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        arch: ["amd64", "arm64v8"]
-        version: ["8.1", "8.2"]
+        arch: ["amd64", "arm64v8", "s390x"]
+        version: ["8.1", "8.2", "8.3"]
         type: ["cli", "zts"]
         distro: ["bullseye", "alpine"]
     steps:
@@ -27,6 +27,10 @@ jobs:
         - name: Run tests
           run: |
             docker compose run --rm --entrypoint=/usr/bin/ci --env TEST_EXTENSION=1 dev
+        - name: Test extension with PHP Debug Build
+          if: matrix.arch == 'amd64'
+          run: |
+            docker compose run --rm --entrypoint=/usr/bin/ci --env TEST_EXTENSION_DEBUG=1 dev
         - name: Test extension with Valgrind
           if: matrix.arch == 'amd64'
           run: |
diff --git a/Dockerfile b/Dockerfile
index f11b177..e6cb7ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,12 @@ ARG TAG=8.2-cli
 FROM ${IMAGE}:${TAG}
 
 ARG PSKEL_SKIP_DEBUG=""
+ARG PSKEL_EXTRA_CONFIGURE_OPTIONS=""
 
 ENV USE_ZEND_ALLOC=0
 ENV ZEND_DONT_UNLOAD_MODULES=1
 ENV PSKEL_SKIP_DEBUG=${PSKEL_SKIP_DEBUG}
+ENV PSKEL_EXTRA_CONFIGURE_OPTIONS=${PSKEL_EXTRA_CONFIGURE_OPTIONS}
 
 RUN if test -f "/etc/debian_version"; then \
       apt-get update && \
@@ -17,11 +19,12 @@ RUN if test -f "/etc/debian_version"; then \
         docker-php-source extract && \
         cd "/usr/src/php" && \
           CFLAGS="-fpic -fpie -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-pie" ./configure --disable-all \
-              --includedir="/usr/local/include/gcc-debug-php" --program-prefix="gcc-debug-" \
-              --disable-cgi --disable-fpm --disable-phpdbg --enable-cli \
+              --includedir="/usr/local/include/gcc-valgrind-php" --program-prefix="gcc-valgrind-" \
+              --disable-cgi --disable-fpm --enable-cli \
               --enable-mysqlnd --enable-pdo --with-pdo-mysql --with-pdo-sqlite \
               --enable-debug --without-pcre-jit "$(php -r "echo PHP_ZTS === 1 ? '--enable-zts' : '';")" \
               --with-valgrind \
+              ${PSKEL_EXTRA_CONFIGURE_OPTIONS} \
               --enable-option-checking=fatal && \
           make -j$(nproc) && \
           make install && \
@@ -30,11 +33,25 @@ RUN if test -f "/etc/debian_version"; then \
         docker-php-source extract && \
         cd "/usr/src/php" && \
           CC=clang CXX=clang++ CFLAGS="-fpic -fpie -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-pie" ./configure \
-              --includedir="/usr/local/include/clang-debug-php" --program-prefix="clang-debug-" \
-              --disable-cgi --disable-all --disable-fpm --disable-phpdbg --enable-cli \
+              --includedir="/usr/local/include/clang-sanitizer-php" --program-prefix="clang-sanitizer-" \
+              --disable-cgi --disable-all --disable-fpm --enable-cli \
               --enable-mysqlnd --enable-pdo --with-pdo-mysql --with-pdo-sqlite \
               --enable-debug --without-pcre-jit "$(php -r "echo PHP_ZTS === 1 ? '--enable-zts' : '';")" \
               --enable-memory-sanitizer \
+              ${PSKEL_EXTRA_CONFIGURE_OPTIONS} \
+              --enable-option-checking=fatal && \
+          make -j$(nproc) && \
+          make install && \
+        cd - && \
+        docker-php-source delete && \
+        docker-php-source extract && \
+        cd "/usr/src/php" && \
+          CFLAGS="-fpic -fpie -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-pie" ./configure --disable-all \
+              --includedir="/usr/local/include/debug-php" --program-prefix="debug-" \
+              --disable-cgi --disable-fpm --enable-cli \
+              --enable-mysqlnd --enable-pdo --with-pdo-mysql --with-pdo-sqlite \
+              --enable-debug "$(php -r "echo PHP_ZTS === 1 ? '--enable-zts' : '';")" \
+              ${PSKEL_EXTRA_CONFIGURE_OPTIONS} \
               --enable-option-checking=fatal && \
           make -j$(nproc) && \
           make install && \
@@ -47,11 +64,25 @@ RUN if test -f "/etc/debian_version"; then \
           docker-php-source extract && \
           cd "/usr/src/php" && \
               CFLAGS="-fpic -fpie -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-pie" ./configure --disable-all \
-                  --includedir="/usr/local/include/gcc-debug-php" --program-prefix="gcc-debug-" \
-                  --disable-cgi --disable-fpm --disable-phpdbg --enable-cli \
+                  --includedir="/usr/local/include/gcc-valgrind-php" --program-prefix="gcc-valgrind-" \
+                  --disable-cgi --disable-fpm --enable-cli \
                   --enable-mysqlnd --enable-pdo --with-pdo-mysql --with-pdo-sqlite \
                   --enable-debug --without-pcre-jit "$(php -r "echo PHP_ZTS === 1 ? '--enable-zts' : '';")" \
                   --with-valgrind \
+                  ${PSKEL_EXTRA_CONFIGURE_OPTIONS} \
+                  --enable-option-checking=fatal && \
+              make -j$(nproc) && \
+              make install && \
+          cd - && \
+          docker-php-source delete && \
+          docker-php-source extract && \
+          cd "/usr/src/php" && \
+              CFLAGS="-fpic -fpie -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-pie" ./configure --disable-all \
+                  --includedir="/usr/local/include/debug-php" --program-prefix="debug-" \
+                  --disable-cgi --disable-fpm --enable-cli \
+                  --enable-mysqlnd --enable-pdo --with-pdo-mysql --with-pdo-sqlite \
+                  --enable-debug "$(php -r "echo PHP_ZTS === 1 ? '--enable-zts' : '';")" \
+                  ${PSKEL_EXTRA_CONFIGURE_OPTIONS} \
                   --enable-option-checking=fatal && \
               make -j$(nproc) && \
               make install && \
diff --git a/README.md b/README.md
index 7fe3105..50df82c 100644
--- a/README.md
+++ b/README.md
@@ -21,14 +21,15 @@ A debug build of PHP is included in advance. Debug builds using GCC and Clang ar
 
 They each have the following binary prefixes. The build toolchains are the same.
 
-- `gcc-debug-php`
-- `clang-debug-php`
+- `debug-php`
+- `gcc-valgrind-php`
+- `clang-sanitizer-php`
 
 For example, the method to test the extension using GCC + Valgrind is as follows:
 
 ```
-# gcc-debug-phpize
-# ./configure --with-php-config=$(which gcc-debug-php-config)
+# gcc-valgrind-phpize
+# ./configure --with-php-config=$(which gcc-valgrind-php-config)
 # TEST_PHP_ARGS="-q -m --show-diff" make -j$(nproc) test
 ```
 
@@ -37,7 +38,7 @@ For example, the method to test the extension using GCC + Valgrind is as follows
 Yes. Build using the debug version of PHP and run as follows:
 
 ```
-# gdb --args gcc-debug-php -dextension=./modules/your_extension_name.so example.php
+# gdb --args gcc-valgrind-php -dextension=./modules/your_extension_name.so example.php
 ```
 
 #### Can I develop using something other than Visual Studio Code?
diff --git a/ci.sh b/ci.sh
index c301820..a22b31f 100755
--- a/ci.sh
+++ b/ci.sh
@@ -3,9 +3,10 @@
 case "${1}" in
   "") ;;
   "test") TEST_EXTENSION=1;;
+  "debug") TEST_EXTENSION_DEBUG=1;;
   "gcc"|"valgrind") TEST_EXTENSION_VALGRIND=1;;
   "clang"|"msan") TEST_EXTENSION_MSAN=1;;
-  *) printf "Pskel CI\nusage:\n\t%s\t: %s\n\t%s\t: %s\n\t%s\t: %s\n" "test" "Test extension with pre-installed PHP binary. [bin: $(which "php")]" "gcc" "Test extension with GCC binary with Valgrind. [bin: $(which "gcc-debug-php")]" "clang" "Test extension with Clang binary with MemorySanitizer. [bin: $(which "clang-debug-php")]"; exit 0;;
+  *) printf "Pskel CI\nusage:\n\t%s\t: %s\n\t%s\t: %s\n\t%s\t: %s\n" "test" "Test extension with pre-installed PHP binary. [bin: $(which "php")]" "gcc" "Test extension with GCC binary with Valgrind. [bin: $(which "gcc-valgrind-php")]" "clang" "Test extension with Clang binary with MemorySanitizer. [bin: $(which "clang-sanitizer-php")]"; exit 0;;
 esac
 
 echo "[Pskel CI] BEGIN TEST"
@@ -21,16 +22,27 @@ else
   echo "[Pskel CI] skip: TEST_EXTENSION is not set"
 fi
 
+if test "${TEST_EXTENSION_DEBUG}" != ""; then
+  cd "/ext"
+  debug-phpize
+  ./configure --with-php-config="$(which debug-php-config)"
+  make clean
+  make -j"$(nproc)"
+  TEST_PHP_ARGS="--show-diff -q" make test
+else
+  echo "[Pskel CI] skip: TEST_EXTENSION_DEBUG is not set"
+fi
+
 if test "${TEST_EXTENSION_VALGRIND}" != ""; then
-  if type "gcc-debug-php" > /dev/null 2>&1; then
+  if type "gcc-valgrind-php" > /dev/null 2>&1; then
     cd "/ext"
-    gcc-debug-phpize
-    ./configure --with-php-config="$(which gcc-debug-php-config)"
+    gcc-valgrind-phpize
+    ./configure --with-php-config="$(which gcc-valgrind-php-config)"
     make clean
     make -j"$(nproc)"
     TEST_PHP_ARGS="--show-diff -q -m" make test
   else
-    echo "[Pskel CI] missing gcc-debug-php"
+    echo "[Pskel CI] missing gcc-valgrind-php"
     exit 1
   fi
 else
@@ -38,15 +50,15 @@ else
 fi
 
 if test "${TEST_EXTENSION_MSAN}" != ""; then
-  if type "clang-debug-php" > /dev/null 2>&1; then
+  if type "clang-sanitizer-php" > /dev/null 2>&1; then
     cd "/ext"
-    clang-debug-phpize
-    CC="clang" CXX="clang++" CFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC" CPPFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC ${CPPFLAGS}" LDFLAGS="-fsanitize=memory" ./configure --with-php-config="$(which clang-debug-php-config)"
+    clang-sanitizer-phpize
+    CC="clang" CXX="clang++" CFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC" CPPFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC ${CPPFLAGS}" LDFLAGS="-fsanitize=memory" ./configure --with-php-config="$(which clang-sanitizer-php-config)"
     make clean
     CFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC ${CFLAGS}" CPPFLAGS="-fsanitize=memory -DZEND_TRACK_ARENA_ALLOC ${CPPFLAGS}" LDFLAGS="-fsanitize=memory" make -j"$(nproc)"
     TEST_PHP_ARGS="--show-diff -q --msan" make test
   else
-    echo "[Pskel CI] missing clang-debug-php"
+    echo "[Pskel CI] missing clang-sanitizer-php"
     exit 1
   fi
 else