diff --git a/data/supported-extensions b/data/supported-extensions
index 2b9f871..006cc0c 100644
--- a/data/supported-extensions
+++ b/data/supported-extensions
@@ -1,5 +1,6 @@
 amqp 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 apcu 5.5 5.6 7.0 7.1 7.2 7.3 7.4
+apcu_bc 7.0 7.1 7.2 7.3 7.4
 bcmath 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 bz2 5.5 5.6 7.0 7.1 7.2 7.3 7.4
 calendar 5.5 5.6 7.0 7.1 7.2 7.3 7.4
diff --git a/install-php-extensions b/install-php-extensions
index f7a2d9e..a1a752e 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -138,6 +138,14 @@ processCommandArguments() {
 # Output:
 #   Nothing
 sortModulesToInstall() {
+	if stringInList 'apcu_bc' "$PHP_MODULES_TO_INSTALL"; then
+		PHP_MODULES_TO_INSTALL="$(removeStringFromList 'apcu_bc' "$PHP_MODULES_TO_INSTALL")"
+		sortModulesToInstall_alreadyInstalled="$(getPHPInstalledModules)"
+		if ! stringInList 'apcu' "$PHP_MODULES_TO_INSTALL" && ! stringInList 'apcu' "$sortModulesToInstall_alreadyInstalled"; then
+			PHP_MODULES_TO_INSTALL="$PHP_MODULES_TO_INSTALL apcu"
+		fi
+		PHP_MODULES_TO_INSTALL="$PHP_MODULES_TO_INSTALL apcu_bc"
+	fi
 	if stringInList 'igbinary' "$PHP_MODULES_TO_INSTALL"; then
 		PHP_MODULES_TO_INSTALL="$(removeStringFromList 'igbinary' "$PHP_MODULES_TO_INSTALL")"
 		if test -z "$PHP_MODULES_TO_INSTALL"; then
@@ -1302,6 +1310,10 @@ installPECLModule() {
 		printf "$installPECLModule_stdin" | pecl install "$installPECLModule_actual"
 	fi
 	case "$2" in
+		apcu_bc)
+			# apcu_bc must be loaded after apcu
+			docker-php-ext-enable --ini-name "xx-php-ext-$2.ini" apc
+			;;
 		http)
 			# http must be loaded after raphf and propro
 			docker-php-ext-enable --ini-name "xx-php-ext-$2.ini" "$2"
diff --git a/scripts/check-installed-extension.php b/scripts/check-installed-extension.php
index 6dea070..96e3444 100644
--- a/scripts/check-installed-extension.php
+++ b/scripts/check-installed-extension.php
@@ -4,6 +4,7 @@ $rc = 0;
 $numTestedExtensions = 0;
 $nameMap = [
     'opcache' => 'Zend OPcache',
+    'apcu_bc' => 'apc',
 ];
 $testsDir = __DIR__ . '/tests';
 function runTest($testFile)