diff --git a/Gemfile b/Gemfile
index 1a5f4c0b..04a67307 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem "actionpack-action_caching", "~> 1.2"
 gem "active_record_union", "~> 1.3"
 gem "acts-as-taggable-on", "~> 5.0"
 gem "acts_as_follower", github: "forem/acts_as_follower", branch: "master"
-gem "addressable", "~> 2.5", ">= 2.5.2"
+gem "addressable", "~> 2.8"
 gem "administrate", "~> 0.11"
 gem "ahoy_email", "~> 0.5"
 gem "airbrake", "~> 8.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index c7c050cf..9aea3ec3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,8 +74,8 @@ GEM
       tzinfo (~> 1.1)
     acts-as-taggable-on (5.0.0)
       activerecord (>= 4.2.8)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     administrate (0.11.0)
       actionpack (>= 4.2, < 6.0)
       actionview (>= 4.2, < 6.0)
@@ -604,7 +604,7 @@ GEM
     msgpack (1.2.4)
     multi_json (1.13.1)
     multi_xml (0.6.0)
-    multipart-post (2.0.0)
+    multipart-post (2.2.3)
     mustermann (1.0.3)
     nakayoshi_fork (0.0.4)
     naught (1.1.0)
@@ -659,7 +659,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.0)
     pundit (2.0.1)
       activesupport (>= 3.0.0)
@@ -809,9 +809,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
     sax-machine (1.3.2)
     sdoc (1.0.0)
       rdoc (>= 5.0)
@@ -949,7 +949,7 @@ DEPENDENCIES
   active_record_union (~> 1.3)
   acts-as-taggable-on (~> 5.0)
   acts_as_follower!
-  addressable (~> 2.5, >= 2.5.2)
+  addressable (~> 2.8)
   administrate (~> 0.11)
   ahoy_email (~> 0.5)
   airbrake (~> 8.1)