diff --git a/Gemfile.lock b/Gemfile.lock
index bf5a3cec..6acf4902 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -550,8 +550,8 @@ GEM
     snaky_hash (2.0.7)
       hashie (>= 0.1.0, < 6)
       version_gem (~> 1.1, >= 1.1.14)
-    sprockets (4.2.2)
-      concurrent-ruby (~> 1.0)
+    sprockets (4.4.1)
+      concurrent-ruby (~> 1.1)
       logger
       rack (>= 2.2.4, < 4)
     sprockets-rails (3.5.2)
@@ -923,7 +923,7 @@ CHECKSUMS
   slim (5.2.1) sha256=72351dff7e2ff20e2d5c393cfc385bb9142cef5db059141628fd7163ac3c13e7
   slim-rails (4.0.0) sha256=2cfee5c4ba00d4d935676db1e74a05dbaf9dd6f789903a1006e3bb687bbe36e2
   snaky_hash (2.0.7) sha256=7d02c70012a3f932e48860cd024577908300c9aa615e0cb9b450aaa749cbcb4d
-  sprockets (4.2.2) sha256=761e5a49f1c288704763f73139763564c845a8f856d52fba013458f8af1b59b1
+  sprockets (4.4.1) sha256=fbd665edad0916de5c7abefef0fc616866a60c5e48ce2846f39ac3fc5df9e184
   sprockets-rails (3.5.2) sha256=a9e88e6ce9f8c912d349aa5401509165ec42326baf9e942a85de4b76dbc4119e
   ssrf_filter (1.5.0) sha256=e03dcdb9d1730d7f6710532a606b3543df2a448a0293ce04a2d995523c5a97f6
   stackprof (0.2.28) sha256=4ec2ace02f386012b40ca20ef80c030ad711831f59511da12e83b34efb0f9a04