diff --git a/Gemfile.lock b/Gemfile.lock
index 0c665af..1f20376 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,18 +17,18 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    aruba (0.14.3)
-      childprocess (~> 0.8.0)
+    aruba (0.14.5)
+      childprocess (>= 0.6.3, < 0.10.0)
       contracts (~> 0.9)
       cucumber (>= 1.3.19)
       ffi (~> 1.9.10)
       rspec-expectations (>= 2.99)
       thor (~> 0.19)
-    backports (3.11.0)
+    backports (3.11.1)
     bson (4.3.0)
     builder (3.2.3)
     byebug (9.1.0)
-    childprocess (0.8.0)
+    childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     chronic (0.10.2)
     concurrent-ruby (1.0.5)
@@ -46,12 +46,12 @@ GEM
       backports (>= 3.8.0)
       cucumber-tag_expressions (~> 1.1.0)
       gherkin (>= 5.0.0)
-    cucumber-expressions (5.0.7)
+    cucumber-expressions (5.0.13)
     cucumber-tag_expressions (1.1.1)
     cucumber-wire (0.0.1)
     diff-lcs (1.3)
     docile (1.3.0)
-    ffi (1.9.18)
+    ffi (1.9.23)
     gherkin (5.0.0)
     i18n (0.9.3)
       concurrent-ruby (~> 1.0)
@@ -80,7 +80,7 @@ GEM
     rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
-    rspec-support (3.7.0)
+    rspec-support (3.7.1)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)