diff --git a/docker/php/Dockerfile b/docker/php/Dockerfile
index 05ab6fa..40a3321 100644
--- a/docker/php/Dockerfile
+++ b/docker/php/Dockerfile
@@ -13,13 +13,24 @@ RUN apk add --no-cache \
     nodejs \
     npm
 
+# Install PHP extension installer
+COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
+
 # Install PHP extensions
-RUN docker-php-ext-configure intl \
-    && docker-php-ext-install -j$(nproc) intl pdo pdo_mysql opcache zip ctype iconv mbstring \
-    && docker-php-ext-install tokenizer \
-    && docker-php-source extract \
-    && docker-php-ext-install dom xml simplexml xmlreader xmlwriter \
-    && docker-php-source delete
+RUN install-php-extensions \
+    intl \
+    pdo_mysql \
+    opcache \
+    zip \
+    tokenizer \
+    ctype \
+    iconv \
+    mbstring \
+    dom \
+    xml \
+    simplexml \
+    xmlreader \
+    xmlwriter
 
 # Install composer
 ENV COMPOSER_ALLOW_SUPERUSER=1 \