diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 91c3537..2f1de78 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -12,7 +12,7 @@ RUN apk add --no-cache \
 RUN set -ex; \
 	\
 	apk add --no-cache --virtual .build-deps \
-		alpine-sdk \
+		$PHPIZE_DEPS \
 		autoconf \
 		bzip2-dev \
 		libjpeg-turbo-dev \
diff --git a/php5.6/fpm-alpine/Dockerfile b/php5.6/fpm-alpine/Dockerfile
index 635d267..dee9307 100644
--- a/php5.6/fpm-alpine/Dockerfile
+++ b/php5.6/fpm-alpine/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache \
 RUN set -ex; \
 	\
 	apk add --no-cache --virtual .build-deps \
-		alpine-sdk \
+		$PHPIZE_DEPS \
 		autoconf \
 		bzip2-dev \
 		libjpeg-turbo-dev \
diff --git a/php7.0/fpm-alpine/Dockerfile b/php7.0/fpm-alpine/Dockerfile
index 02cda60..95aef81 100644
--- a/php7.0/fpm-alpine/Dockerfile
+++ b/php7.0/fpm-alpine/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache \
 RUN set -ex; \
 	\
 	apk add --no-cache --virtual .build-deps \
-		alpine-sdk \
+		$PHPIZE_DEPS \
 		autoconf \
 		bzip2-dev \
 		libjpeg-turbo-dev \
diff --git a/php7.1/fpm-alpine/Dockerfile b/php7.1/fpm-alpine/Dockerfile
index ef04b29..26e5a80 100644
--- a/php7.1/fpm-alpine/Dockerfile
+++ b/php7.1/fpm-alpine/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache \
 RUN set -ex; \
 	\
 	apk add --no-cache --virtual .build-deps \
-		alpine-sdk \
+		$PHPIZE_DEPS \
 		autoconf \
 		bzip2-dev \
 		libjpeg-turbo-dev \
diff --git a/php7.2/fpm-alpine/Dockerfile b/php7.2/fpm-alpine/Dockerfile
index 780cac1..c9a1eb2 100644
--- a/php7.2/fpm-alpine/Dockerfile
+++ b/php7.2/fpm-alpine/Dockerfile
@@ -12,7 +12,7 @@ RUN apk add --no-cache \
 RUN set -ex; \
 	\
 	apk add --no-cache --virtual .build-deps \
-		alpine-sdk \
+		$PHPIZE_DEPS \
 		autoconf \
 		bzip2-dev \
 		libjpeg-turbo-dev \