diff --git a/Dockerfile b/Dockerfile
index 0c0448f..747451a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,6 +29,7 @@ RUN echo "deb [trusted=yes] http://10.15.39.186:8081/repository/debian-proxy/ bu
         nginx \
         vim \
         wget \
+        curl \
         libpng-dev \
         libjpeg-dev \
         libfreetype6-dev \
@@ -38,9 +39,10 @@ RUN echo "deb [trusted=yes] http://10.15.39.186:8081/repository/debian-proxy/ bu
         unzip \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install gd pdo pdo_mysql zip \
-    && pear config-set http_proxy "http://10.15.3.20:80" \
-    && pecl install redis-5.3.7 \
+    && curl -x http://10.15.3.20:80 -fsSL https://pecl.php.net/get/redis-5.3.7.tgz -o redis.tgz \
+    && pecl install redis.tgz \
     && docker-php-ext-enable redis \
+    && rm -f redis.tgz \
     && rm -rf /var/lib/apt/lists/*
 
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