diff --git a/Gemfile b/Gemfile
index 523c5d02e..16e4c1034 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem "asset_bom_removal-rails", "~> 1.0"
 gem "dalli"
 gem "gds-api-adapters", "~> 63.5"
 gem "govuk_ab_testing", "~> 2.4"
-gem "govuk_app_config", "~> 2.0"
+gem "govuk_app_config", "~> 2.1"
 gem "govuk_publishing_components", "~> 21.29.1"
 gem "htmlentities", "~> 4.3"
 gem "plek", "~> 3.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5a636afbb..ccaf86787 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
     execjs (2.7.0)
     faker (2.10.2)
       i18n (>= 1.6, < 2)
-    faraday (0.17.3)
+    faraday (1.0.0)
       multipart-post (>= 1.2, < 3)
     ffi (1.12.2)
     gds-api-adapters (63.5.1)
@@ -101,9 +101,9 @@ GEM
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     govuk_ab_testing (2.4.1)
-    govuk_app_config (2.0.3)
+    govuk_app_config (2.1.1)
       logstasher (>= 1.2.2, < 1.4.0)
-      sentry-raven (>= 2.7.1, < 2.14.0)
+      sentry-raven (>= 2.7.1, < 3.1.0)
       statsd-ruby (~> 1.4.0)
       unicorn (>= 5.4, < 5.6)
     govuk_publishing_components (21.29.1)
@@ -295,8 +295,8 @@ GEM
     selenium-webdriver (3.142.6)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
-    sentry-raven (2.13.0)
-      faraday (>= 0.7.6, < 1.0)
+    sentry-raven (3.0.0)
+      faraday (>= 1.0)
     slimmer (13.2.2)
       activesupport
       json
@@ -364,7 +364,7 @@ DEPENDENCIES
   faker
   gds-api-adapters (~> 63.5)
   govuk_ab_testing (~> 2.4)
-  govuk_app_config (~> 2.0)
+  govuk_app_config (~> 2.1)
   govuk_publishing_components (~> 21.29.1)
   govuk_schemas (~> 4.0)
   govuk_test