diff --git a/Gemfile b/Gemfile
index 71fb9d2e0..1aed3db2f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,7 @@ source "https://rubygems.org"
 gem "rails", "7.0.4.3"
 
 gem "bootsnap", require: false
+gem "dotenv-rails"
 gem "gds-api-adapters"
 gem "google-api-client"
 gem "govuk_app_config"
diff --git a/Gemfile.lock b/Gemfile.lock
index eb18cf80e..a1585086a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,6 +96,10 @@ GEM
     docile (1.4.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
+    dotenv (2.8.1)
+    dotenv-rails (2.8.1)
+      dotenv (= 2.8.1)
+      railties (>= 3.2)
     erubi (1.12.0)
     execjs (2.8.1)
     faraday (2.3.0)
@@ -433,6 +437,7 @@ PLATFORMS
 
 DEPENDENCIES
   bootsnap
+  dotenv-rails
   gds-api-adapters
   google-api-client
   govuk_app_config