diff --git a/Gemfile b/Gemfile
index a7d5f948..1b3b3047 100644
--- a/Gemfile
+++ b/Gemfile
@@ -34,6 +34,7 @@ gem "haml", "~> 6.1"
 gem "hcaptcha", "~> 7.0"
 gem "mini_magick"
 gem "oj"
+gem "panko_serializer"
 gem "rpush"
 gem "rqrcode"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 60e1d5a2..e29e5f6f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -272,6 +272,9 @@ GEM
     oj (3.15.0)
     openssl (3.1.0)
     orm_adapter (0.5.0)
+    panko_serializer (0.8.0)
+      activesupport
+      oj (> 3.11.0, < 4.0.0)
     parallel (1.23.0)
     parser (3.2.2.3)
       ast (~> 2.4.1)
@@ -523,6 +526,7 @@ DEPENDENCIES
   net-smtp
   oj
   openssl (~> 3.1)
+  panko_serializer
   pg
   pghero
   prometheus-client (~> 4.1)