diff --git a/install-php-extensions b/install-php-extensions
index 5a309ec..3e9ab7c 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -339,6 +339,16 @@ buildRequiredPackageLists() {
 			cmark@debian)
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile cmake"
 				;;
+			dba@alpine)
+				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent db"
+				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile db-dev"
+				;;
+			dba@debian)
+				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libdb5.3-dev"
+				if test $PHP_MAJMIN_VERSION -le 505; then
+					buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile patch"
+				fi
+				;;
 			decimal@debian)
 				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent libmpdec2"
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libmpdec-dev"
@@ -1120,6 +1130,26 @@ installBundledModule() {
 		printf '### WARNING the module "%s" is bundled with PHP, you can NOT specify a version for it\n' "$1" >&2
 	fi
 	case "$1" in
+		dba)
+			if test -e /usr/lib/$TARGET_TRIPLET/libdb-5.3.so && ! test -e /usr/lib/libdb-5.3.so; then
+				ln -s /usr/lib/$TARGET_TRIPLET/libdb-5.3.so /usr/lib/
+			fi
+			if test $PHP_MAJMIN_VERSION -le 505; then
+				docker-php-source extract
+				patch /usr/src/php/ext/dba/config.m4 <<EOF
+@@ -362,7 +362,7 @@
+       break
+     fi
+   done
+-  PHP_DBA_DB_CHECK(4, db-5.1 db-5.0 db-4.8 db-4.7 db-4.6 db-4.5 db-4.4 db-4.3 db-4.2 db-4.1 db-4.0 db-4 db4 db, [(void)db_create((DB**)0, (DB_ENV*)0, 0)])
++  PHP_DBA_DB_CHECK(4, db-5.3 db-5.1 db-5.0 db-4.8 db-4.7 db-4.6 db-4.5 db-4.4 db-4.3 db-4.2 db-4.1 db-4.0 db-4 db4 db, [(void)db_create((DB**)0, (DB_ENV*)0, 0)])
+ fi
+ PHP_DBA_STD_RESULT(db4,Berkeley DB4)
+ 
+EOF
+			fi
+			docker-php-ext-configure dba --with-db4
+			;;
 		gd)
 			if test $PHP_MAJMIN_VERSION -le 506; then
 				docker-php-ext-configure gd --with-gd --with-jpeg-dir --with-png-dir --with-zlib-dir --with-xpm-dir --with-freetype-dir --enable-gd-native-ttf --with-vpx-dir
diff --git a/scripts/tests/dba b/scripts/tests/dba
new file mode 100755
index 0000000..03809ec
--- /dev/null
+++ b/scripts/tests/dba
@@ -0,0 +1,29 @@
+#!/usr/bin/env php
+<?php
+
+set_error_handler(
+    static function ($errno, $errstr, $errfile, $errline) {
+        $msg = "Error {$errno}: {$errstr}\n";
+        if ($errfile) {
+            $msg .= "File: {$errfile}\n";
+            if ($errline) {
+                $msg .= "Line: {$errline}\n";
+            }
+        }
+        fwrite(STDERR, $msg);
+        exit(1);
+    },
+    -1
+);
+
+$requiredHandlers = array_map('strtolower', [
+    'db4',
+]);
+$supportedHandlers = array_map('strtolower', dba_handlers(false));
+$missingHandlers = array_diff($requiredHandlers, $supportedHandlers);
+if ($missingHandlers !== []) {
+    sort($missingHandlers);
+    fwrite(STDERR, "DBA does NOT support these handlers:\n- " . implode("\n- ", $missingHandlers) . "\n");
+    exit(1);
+}
+echo "DBA supports at least these handlers:\n- ", implode("\n- ", $requiredHandlers), "\n";