diff --git a/Gemfile b/Gemfile
index cb9302b31cb..0aeb031b7ff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -86,7 +86,7 @@ gem "active_model_serializers", "0.8.4"
 gem 'activerecord-session_store'
 gem 'acts-as-taggable-on'
 gem 'angularjs-file-upload-rails', '~> 2.4.1'
-gem 'bigdecimal', '3.1.1'
+gem 'bigdecimal', '3.1.8'
 gem 'bootsnap', require: false
 gem 'geocoder'
 gem 'gmaps4rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index 716b79649c8..1458eccf9fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
     base64 (0.2.0)
     bcp47_spec (0.2.1)
     bcrypt (3.1.20)
-    bigdecimal (3.1.1)
+    bigdecimal (3.1.8)
     bindata (2.5.0)
     bindex (0.8.1)
     bootsnap (1.18.3)
@@ -865,7 +865,7 @@ DEPENDENCIES
   angularjs-rails (= 1.8.0)
   arel-helpers (~> 2.12)
   aws-sdk-s3
-  bigdecimal (= 3.1.1)
+  bigdecimal (= 3.1.8)
   bootsnap
   bugsnag
   bullet