diff --git a/auto/options b/auto/options
index 11f23c6..191d6c8 100644
--- a/auto/options
+++ b/auto/options
@@ -94,6 +94,7 @@
 HTTP_DEGRADATION=NO
 HTTP_FLV=NO
 HTTP_MP4=NO
+HTTP_GUNZIP=NO
 HTTP_GZIP_STATIC=NO
 HTTP_UPSTREAM_IP_HASH=YES
 HTTP_UPSTREAM_LEAST_CONN=YES
@@ -210,6 +211,7 @@
         --with-http_dav_module)          HTTP_DAV=YES               ;;
         --with-http_flv_module)          HTTP_FLV=YES               ;;
         --with-http_mp4_module)          HTTP_MP4=YES               ;;
+        --with-http_gunzip_module)       HTTP_GUNZIP=YES            ;;
         --with-http_gzip_static_module)  HTTP_GZIP_STATIC=YES       ;;
         --with-http_random_index_module) HTTP_RANDOM_INDEX=YES      ;;
         --with-http_secure_link_module)  HTTP_SECURE_LINK=YES       ;;
@@ -356,6 +358,7 @@
   --with-http_dav_module             enable ngx_http_dav_module
   --with-http_flv_module             enable ngx_http_flv_module
   --with-http_mp4_module             enable ngx_http_mp4_module
+  --with-http_gunzip_module          enable ngx_http_gunzip_module
   --with-http_gzip_static_module     enable ngx_http_gzip_static_module
   --with-http_random_index_module    enable ngx_http_random_index_module
   --with-http_secure_link_module     enable ngx_http_secure_link_module