diff --git a/12.0-rc/fpm-alpine/Dockerfile b/12.0-rc/fpm-alpine/Dockerfile
index 2831c80..8a44e8f 100644
--- a/12.0-rc/fpm-alpine/Dockerfile
+++ b/12.0-rc/fpm-alpine/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex; \
 RUN set -ex; \
     \
     apk add --no-cache --virtual .build-deps \
-        alpine-sdk \
+        $PHPIZE_DEPS \
         autoconf \
         freetype-dev \
         icu-dev \
diff --git a/12.0/fpm-alpine/Dockerfile b/12.0/fpm-alpine/Dockerfile
index 1029d50..24ca214 100644
--- a/12.0/fpm-alpine/Dockerfile
+++ b/12.0/fpm-alpine/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex; \
 RUN set -ex; \
     \
     apk add --no-cache --virtual .build-deps \
-        alpine-sdk \
+        $PHPIZE_DEPS \
         autoconf \
         freetype-dev \
         icu-dev \
diff --git a/13.0-rc/fpm-alpine/Dockerfile b/13.0-rc/fpm-alpine/Dockerfile
index c90ec1e..aa2f589 100644
--- a/13.0-rc/fpm-alpine/Dockerfile
+++ b/13.0-rc/fpm-alpine/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex; \
 RUN set -ex; \
     \
     apk add --no-cache --virtual .build-deps \
-        alpine-sdk \
+        $PHPIZE_DEPS \
         autoconf \
         freetype-dev \
         icu-dev \
diff --git a/13.0/fpm-alpine/Dockerfile b/13.0/fpm-alpine/Dockerfile
index 1362f57..a0765c8 100644
--- a/13.0/fpm-alpine/Dockerfile
+++ b/13.0/fpm-alpine/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex; \
 RUN set -ex; \
     \
     apk add --no-cache --virtual .build-deps \
-        alpine-sdk \
+        $PHPIZE_DEPS \
         autoconf \
         freetype-dev \
         icu-dev \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 392eb42..f048696 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -15,7 +15,7 @@ RUN set -ex; \
 RUN set -ex; \
     \
     apk add --no-cache --virtual .build-deps \
-        alpine-sdk \
+        $PHPIZE_DEPS \
         autoconf \
         freetype-dev \
         icu-dev \