diff --git a/.github/workflows/frontend-check.yml b/.github/workflows/frontend-check.yml
index c0bfc90..47b94cf 100644
--- a/.github/workflows/frontend-check.yml
+++ b/.github/workflows/frontend-check.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 8.6.1
+          version: 9.2.0
       - name: Setup node
         uses: actions/setup-node@v4
         with:
@@ -56,7 +56,7 @@ jobs:
       - name: Setup pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 8.6.1
+          version: 9.2.0
       - name: Setup node
         uses: actions/setup-node@v3
         with:
diff --git a/Gemfile.lock b/Gemfile.lock
index 4ce7484..28e855e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,29 @@ GEM
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
+    async (2.10.2)
+      console (~> 1.10)
+      fiber-annotation
+      io-event (~> 1.5, >= 1.5.1)
+      timers (~> 4.1)
+    async-container (0.18.2)
+      async (~> 2.10)
+    async-http (0.69.0)
+      async (>= 2.10.2)
+      async-pool (~> 0.7)
+      io-endpoint (~> 0.11)
+      io-stream (~> 0.4)
+      protocol-http (~> 0.26)
+      protocol-http1 (~> 0.19)
+      protocol-http2 (~> 0.18)
+      traces (>= 0.10)
+    async-http-cache (0.4.3)
+      async-http (~> 0.56)
+    async-pool (0.7.0)
+      async (>= 1.25)
+    async-service (0.12.0)
+      async
+      async-container (~> 0.16)
     aws-eventstream (1.2.0)
     aws-partitions (1.786.0)
     aws-sdk-core (3.178.0)
@@ -128,6 +151,18 @@ GEM
       railties (>= 3.2)
     drb (2.2.1)
     erubi (1.12.0)
+    falcon (0.47.7)
+      async
+      async-container (~> 0.18)
+      async-http (~> 0.66, >= 0.66.3)
+      async-http-cache (~> 0.4.0)
+      async-service (~> 0.10)
+      bundler
+      localhost (~> 1.1)
+      openssl (~> 3.0)
+      process-metrics (~> 0.2.0)
+      protocol-rack (~> 0.5)
+      samovar (~> 2.3)
     ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
@@ -147,6 +182,9 @@ GEM
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     io-console (0.6.0)
+    io-endpoint (0.11.0)
+    io-event (1.6.5)
+    io-stream (0.4.0)
     irb (1.7.3)
       reline (>= 0.3.6)
     jmespath (1.6.2)
@@ -157,6 +195,7 @@ GEM
     llhttp-ffi (0.4.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
+    localhost (1.3.1)
     loofah (2.21.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -165,6 +204,7 @@ GEM
       net-imap
       net-pop
       net-smtp
+    mapping (1.1.1)
     marcel (1.0.4)
     mini_mime (1.1.5)
     mini_portile2 (2.8.6)
@@ -184,6 +224,7 @@ GEM
     nokogiri (1.14.5)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
+    openssl (3.2.0)
     openssl-oaep (0.1.0)
     parallel (1.23.0)
     parallel_tests (4.2.1)
@@ -194,9 +235,20 @@ GEM
     pg (1.5.3)
     pg (1.5.3-x64-mingw-ucrt)
     prettier_print (1.2.1)
+    process-metrics (0.2.1)
+      console (~> 1.8)
+      samovar (~> 2.1)
+    protocol-hpack (1.4.3)
+    protocol-http (0.26.6)
+    protocol-http1 (0.19.1)
+      protocol-http (~> 0.22)
+    protocol-http2 (0.18.0)
+      protocol-hpack (~> 1.4)
+      protocol-http (~> 0.18)
+    protocol-rack (0.6.0)
+      protocol-http (~> 0.23)
+      rack (>= 1.0)
     public_suffix (5.0.3)
-    puma (6.3.0)
-      nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
     rack-session (1.0.2)
@@ -290,6 +342,9 @@ GEM
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
     ruby-progressbar (1.13.0)
+    samovar (2.3.0)
+      console (~> 1.0)
+      mapping (~> 1.0)
     sentry-rails (5.10.0)
       railties (>= 5.0)
       sentry-ruby (~> 5.10.0)
@@ -309,6 +364,8 @@ GEM
       prettier_print (>= 1.2.0)
     thor (1.2.2)
     timeout (0.4.1)
+    timers (4.3.5)
+    traces (0.11.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2023.3)
@@ -339,13 +396,13 @@ DEPENDENCIES
   counter_culture (~> 3.2)
   debug
   dotenv-rails (~> 2.8)
+  falcon (~> 0.47.7)
   http (~> 5.1)
   jwt (~> 2.8)
   nokogiri (~> 1.14.0.rc1)
   openssl-oaep (~> 0.1.0)
   parallel_tests (~> 4.2)
   pg (~> 1.4)
-  puma (~> 6.3)
   rails (~> 7.1)
   rails-i18n (~> 7.0)
   rbnacl (~> 7.1)
diff --git a/backend/app/controllers/sonolus/levels_controller.rb b/backend/app/controllers/sonolus/levels_controller.rb
index caf1f2d..a36ae76 100644
--- a/backend/app/controllers/sonolus/levels_controller.rb
+++ b/backend/app/controllers/sonolus/levels_controller.rb
@@ -219,11 +219,11 @@ def list
           .sonolus_listed
 
       charts =
-        charts.where("charts.rating >= ?", params[:q_rating_min]) if params[
+        charts.where(charts: { rating: (params[:q_rating_min]).. }) if params[
         :q_rating_min
       ].present?
       charts =
-        charts.where("charts.rating <= ?", params[:q_rating_max]) if params[
+        charts.where(charts: { rating: ..(params[:q_rating_max]) }) if params[
         :q_rating_max
       ].present?
       case params[:q_sort].to_i
diff --git a/backend/preload.rb b/backend/preload.rb
index b34b952..f248621 100644
--- a/backend/preload.rb
+++ b/backend/preload.rb
@@ -1 +1,2 @@
+# frozen_string_literal: true
 require_relative "config/environment"