diff --git a/boost.info b/boost.info
index 38e6858..4c2f424 100644
--- a/boost.info
+++ b/boost.info
@@ -5,4 +5,5 @@ core = 7.x
 files[] = boost.module
 files[] = boost.admin.inc
 files[] = boost.blocks.inc
+recommends[] = expire
 configure = admin/config/system/boost
diff --git a/boost_crawler/boost_crawler.info b/boost_crawler/boost_crawler.info
index 6b9c0c6..6b01394 100644
--- a/boost_crawler/boost_crawler.info
+++ b/boost_crawler/boost_crawler.info
@@ -5,4 +5,5 @@ core = 7.x
 files[] = boost_crawler.module
 recommends[] = boost
 dependencies[] = httprl
+dependencies[] = expire
 configure = admin/config/system/boost/crawler