diff --git a/Gemfile b/Gemfile
index 9296044c0..488c485f8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ gem "rqrcode"
 gem "redcarpet"
 gem "rouge"
 gem "jbuilder"
-gem "lexxy"
+gem "lexxy", "~> 0.1.12.beta"
 gem "image_processing", "~> 1.14"
 gem "platform_agent"
 gem "aws-sdk-s3", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 43573d68c..0f014198a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -620,7 +620,7 @@ DEPENDENCIES
   jbuilder
   kamal
   letter_opener
-  lexxy
+  lexxy (~> 0.1.12.beta)
   mission_control-jobs
   mocha
   net-http-persistent