diff --git a/Gemfile.lock b/Gemfile.lock
index 25007f3..4f9e654 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,6 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     pg (0.21.0)
-    pg (0.21.0-x64-mingw32)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -165,7 +164,7 @@ GEM
       pry (>= 0.9.11)
     puma (4.3.3)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.2)