diff --git a/.gitmodules b/.gitmodules
index e6dace0..8c58014 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -43,3 +43,6 @@
 [submodule "lib/ngx_dynamic_etag"]
 	path = lib/ngx_dynamic_etag
 	url = https://github.com/dvershinin/ngx_dynamic_etag
+[submodule "lib/ngx_cache_purge"]
+	path = lib/ngx_cache_purge
+	url = https://github.com/nginx-modules/ngx_cache_purge
diff --git a/lib/ngx_cache_purge b/lib/ngx_cache_purge
new file mode 160000
index 0000000..a84b0f3
--- /dev/null
+++ b/lib/ngx_cache_purge
@@ -0,0 +1 @@
+Subproject commit a84b0f3f082025dec737a537a9a443bdd6d6af9d