diff --git a/Gemfile.lock b/Gemfile.lock
index 52fbdeb752..cf54b01c77 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -517,11 +517,10 @@ GEM
       pg (>= 0.18.0, != 1.2.0)
       sequel (>= 4.38.0)
     sexp_processor (4.17.5)
-    signet (0.21.0)
+    signet (0.22.0)
       addressable (~> 2.8)
       faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 4.0)
-      multi_json (~> 1.10)
     simplecov (0.13.0)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)