diff --git a/.drone.yml b/.drone.yml
index de15912..c4ca383 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,4 +1,11 @@
 pipeline:
+  # restore the cache from an sftp server
+  restore_cache:
+    image: appleboy/drone-sftp-cache
+    restore: true
+    mount: [ .glide, vendor ]
+    ignore_branch: true
+
   build:
     image: appleboy/golang-testing:${GO_VERSION}
     environment:
@@ -14,6 +21,13 @@ pipeline:
     when:
       status: [ success, failure ]
 
+  # rebuild the cache on the sftp server
+  rebuild_cache:
+    image: appleboy/drone-sftp-cache
+    rebuild: true
+    mount: [ .glide, vendor ]
+    ignore_branch: true
+
 services:
   redis:
     image: redis:alpine
diff --git a/.drone.yml.sig b/.drone.yml.sig
index def939e..124e7a3 100644
--- a/.drone.yml.sig
+++ b/.drone.yml.sig
@@ -1 +1 @@
-eyJhbGciOiJIUzI1NiJ9.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.DeIL_aH6nXcOB0U219VprKHDWYMwTbhf4H9x7_CYisE
\ No newline at end of file
+eyJhbGciOiJIUzI1NiJ9.cGlwZWxpbmU6CiAgIyByZXN0b3JlIHRoZSBjYWNoZSBmcm9tIGFuIHNmdHAgc2VydmVyCiAgcmVzdG9yZV9jYWNoZToKICAgIGltYWdlOiBhcHBsZWJveS9kcm9uZS1zZnRwLWNhY2hlCiAgICByZXN0b3JlOiB0cnVlCiAgICBtb3VudDogWyAuZ2xpZGUsIHZlbmRvciBdCiAgICBpZ25vcmVfYnJhbmNoOiB0cnVlCgogIGJ1aWxkOgogICAgaW1hZ2U6IGFwcGxlYm95L2dvbGFuZy10ZXN0aW5nOiR7R09fVkVSU0lPTn0KICAgIGVudmlyb25tZW50OgogICAgICAtIEdPUEFUSD0vZ28KICAgIGNvbW1hbmRzOgogICAgICAtIG1ha2UgaW5zdGFsbAogICAgICAtIGNvdmVyYWdlIGFsbAoKICBsaW5lOgogICAgaW1hZ2U6IGFwcGxlYm95L2Ryb25lLWxpbmUKICAgIHB1bGw6IHRydWUKICAgIHRvOiB1MzU5NjUwZjkxOTQyN2I1MjI5MzMwYzcyMDVjNDdlZTQKICAgIHdoZW46CiAgICAgIHN0YXR1czogWyBzdWNjZXNzLCBmYWlsdXJlIF0KCiAgIyByZWJ1aWxkIHRoZSBjYWNoZSBvbiB0aGUgc2Z0cCBzZXJ2ZXIKICByZWJ1aWxkX2NhY2hlOgogICAgaW1hZ2U6IGFwcGxlYm95L2Ryb25lLXNmdHAtY2FjaGUKICAgIHJlYnVpbGQ6IHRydWUKICAgIG1vdW50OiBbIC5nbGlkZSwgdmVuZG9yIF0KICAgIGlnbm9yZV9icmFuY2g6IHRydWUKCnNlcnZpY2VzOgogIHJlZGlzOgogICAgaW1hZ2U6IHJlZGlzOmFscGluZQoKd29ya3NwYWNlOgogIHBhdGg6IC9nby9zcmMvZ2l0aHViLmNvbS9hcHBsZWJveS9nb3J1c2gKCm1hdHJpeDoKICBHT19WRVJTSU9OOgogICAgLSAxLjcuMQogICAgLSAxLjYuMwo.4e3A7mFLS6kPENUfuH73eLe9lKYI9z32RVbuNDxGd0Q
\ No newline at end of file