diff --git a/Gemfile.lock b/Gemfile.lock
index 458144f4..8165e7b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,9 @@ GEM
     rake (13.2.1)
     rake-compiler (1.2.9)
       rake
-    rb_sys (0.9.108)
+    rake-compiler-dock (1.9.1)
+    rb_sys (0.9.110)
+      rake-compiler-dock (= 1.9.1)
     regexp_parser (2.10.0)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)