diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 9135dc1..a4d8e85 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -27,7 +27,7 @@ RUN set -ex; \
 	\
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	docker-php-ext-configure ldap; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 726b979..19da852 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -24,7 +24,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.1/apache/Dockerfile b/php7.1/apache/Dockerfile
index 72b8711..4af1526 100644
--- a/php7.1/apache/Dockerfile
+++ b/php7.1/apache/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.1/fpm-alpine/Dockerfile b/php7.1/fpm-alpine/Dockerfile
index 2d5e675..ee92f3d 100644
--- a/php7.1/fpm-alpine/Dockerfile
+++ b/php7.1/fpm-alpine/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex; \
 	\
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	docker-php-ext-configure ldap; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.1/fpm/Dockerfile b/php7.1/fpm/Dockerfile
index c422616..332987f 100644
--- a/php7.1/fpm/Dockerfile
+++ b/php7.1/fpm/Dockerfile
@@ -23,7 +23,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.2/apache/Dockerfile b/php7.2/apache/Dockerfile
index 761b993..c643fa4 100644
--- a/php7.2/apache/Dockerfile
+++ b/php7.2/apache/Dockerfile
@@ -25,7 +25,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.2/fpm-alpine/Dockerfile b/php7.2/fpm-alpine/Dockerfile
index e112809..41725f7 100644
--- a/php7.2/fpm-alpine/Dockerfile
+++ b/php7.2/fpm-alpine/Dockerfile
@@ -25,7 +25,7 @@ RUN set -ex; \
 	\
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	docker-php-ext-configure ldap; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.2/fpm/Dockerfile b/php7.2/fpm/Dockerfile
index 77467fa..f71a7d4 100644
--- a/php7.2/fpm/Dockerfile
+++ b/php7.2/fpm/Dockerfile
@@ -22,7 +22,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.3/apache/Dockerfile b/php7.3/apache/Dockerfile
index 9272d5a..470d62c 100644
--- a/php7.3/apache/Dockerfile
+++ b/php7.3/apache/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.3/fpm-alpine/Dockerfile b/php7.3/fpm-alpine/Dockerfile
index 1bf0e95..a9942d4 100644
--- a/php7.3/fpm-alpine/Dockerfile
+++ b/php7.3/fpm-alpine/Dockerfile
@@ -26,7 +26,7 @@ RUN set -ex; \
 	\
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	docker-php-ext-configure ldap; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \
diff --git a/php7.3/fpm/Dockerfile b/php7.3/fpm/Dockerfile
index 3098268..3624f5a 100644
--- a/php7.3/fpm/Dockerfile
+++ b/php7.3/fpm/Dockerfile
@@ -23,7 +23,7 @@ RUN set -ex; \
 	docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
 	debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
 	docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
-	docker-php-ext-install \
+	docker-php-ext-install -j "$(nproc)" \
 		bz2 \
 		gd \
 		ldap \