diff --git a/Gemfile.lock b/Gemfile.lock
index f9c80d7f..2109e283 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,9 +8,9 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
-    autoprefixer-rails (9.4.7)
+    autoprefixer-rails (9.4.10.2)
       execjs
-    backports (3.11.4)
+    backports (3.12.0)
     coderay (1.1.2)
     coffee-script (2.4.1)
       coffee-script-source
@@ -18,7 +18,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.4)
     contracts (0.13.0)
-    dotenv (2.6.0)
+    dotenv (2.7.1)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -27,7 +27,7 @@ GEM
     execjs (2.7.0)
     fast_blank (1.0.0)
     fastimage (2.1.5)
-    ffi (1.9.25)
+    ffi (1.10.0)
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
@@ -50,8 +50,8 @@ GEM
       kramdown (~> 1.2)
       middleman-cli (= 4.3.3)
       middleman-core (= 4.3.3)
-    middleman-autoprefixer (2.10.0)
-      autoprefixer-rails (>= 9.1.4)
+    middleman-autoprefixer (2.10.1)
+      autoprefixer-rails (~> 9.1)
       middleman-core (>= 3.3.3)
     middleman-blog (4.0.3)
       addressable (~> 2.3)
@@ -101,7 +101,7 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
-    parallel (1.13.0)
+    parallel (1.14.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -115,8 +115,8 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.4.0)
     rouge (2.0.5)
-    sassc (2.0.0)
-      ffi (~> 1.9.6)
+    sassc (2.0.1)
+      ffi (~> 1.9)
       rake
     servolux (0.13.0)
     temple (0.8.0)