diff --git a/CHANGELOG.md b/CHANGELOG.md
index e360bffa17..826a87da0a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 
 #### Fixes
 
+* [#2263](https://github.com/ruby-grape/grape/pull/2263): Explicitly require `bigdecimal` and `date` - [@dblock](https://github.com/dblock).
 * [#2222](https://github.com/ruby-grape/grape/pull/2222): Autoload types and validators - [@ericproulx](https://github.com/ericproulx).
 * [#2232](https://github.com/ruby-grape/grape/pull/2232): Fix kwargs support in shared params definition - [@dm1try](https://github.com/dm1try).
 * [#2229](https://github.com/ruby-grape/grape/pull/2229): Do not collect params in route settings - [@dnesteryuk](https://github.com/dnesteryuk).
diff --git a/lib/grape.rb b/lib/grape.rb
index c8824eff72..0b5db09ff7 100644
--- a/lib/grape.rb
+++ b/lib/grape.rb
@@ -7,6 +7,8 @@
 require 'rack/auth/basic'
 require 'rack/auth/digest/md5'
 require 'set'
+require 'bigdecimal'
+require 'date'
 require 'active_support'
 require 'active_support/concern'
 require 'active_support/version'