diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 66aacff92..54e70d0a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Install Crystal
         uses: oprypin/install-crystal@v1.2.4
         with:
-          crystal: 0.36.1
+          crystal: 1.0.0
       
       - name: Cache Shards
         uses: actions/cache@v2
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 878844033..b8e5af8a5 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:0.36.1-alpine AS builder
+FROM crystallang/crystal:1.0.0-alpine AS builder
 RUN apk add --no-cache curl sqlite-static yaml-static
 WORKDIR /invidious
 COPY ./shard.yml ./shard.yml
diff --git a/shard.lock b/shard.lock
index 5ed730b83..35d1aefd3 100644
--- a/shard.lock
+++ b/shard.lock
@@ -2,39 +2,35 @@ version: 2.0
 shards:
   db:
     git: https://github.com/crystal-lang/crystal-db.git
-    version: 0.10.0
+    version: 0.10.1
 
   exception_page:
     git: https://github.com/crystal-loot/exception_page.git
-    version: 0.1.4
+    version: 0.1.5
 
   kemal:
     git: https://github.com/kemalcr/kemal.git
-    version: 0.27.0
+    version: 1.0.0
 
   kilt:
     git: https://github.com/jeromegn/kilt.git
-    version: 0.4.0
+    version: 0.4.1
 
   lsquic:
     git: https://github.com/iv-org/lsquic.cr.git
-    version: 2.18.1-1
+    version: 2.18.1-2
 
   pg:
     git: https://github.com/will/crystal-pg.git
-    version: 0.23.1
-
-  pool:
-    git: https://github.com/ysbaddaden/pool.git
-    version: 0.2.3
+    version: 0.23.2
 
   protodec:
     git: https://github.com/iv-org/protodec.git
-    version: 0.1.3
+    version: 0.1.4
 
   radix:
     git: https://github.com/luislavena/radix.git
-    version: 0.3.9
+    version: 0.4.1
 
   sqlite3:
     git: https://github.com/crystal-lang/crystal-sqlite3.git
diff --git a/shard.yml b/shard.yml
index a15b3ea59..fca1ce028 100644
--- a/shard.yml
+++ b/shard.yml
@@ -12,23 +12,20 @@ targets:
 dependencies:
   pg:
     github: will/crystal-pg
-    version: ~> 0.23.1
+    version: ~> 0.23.2
   sqlite3:
     github: crystal-lang/crystal-sqlite3
     version: ~> 0.18.0
   kemal:
     github: kemalcr/kemal
-    version: ~> 0.27.0
-  pool:
-    github: ysbaddaden/pool
-    version: ~> 0.2.3
+    version: ~> 1.0.0
   protodec:
     github: iv-org/protodec
-    version: ~> 0.1.3
+    version: ~> 0.1.4
   lsquic:
     github: iv-org/lsquic.cr
-    version: ~> 2.18.1-1
+    version: ~> 2.18.1-2
 
-crystal: 0.36.1
+crystal: 1.0.0
 
 license: AGPLv3
diff --git a/src/invidious.cr b/src/invidious.cr
index ae20e13e5..ebba52b13 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -166,7 +166,7 @@ end
 
 before_all do |env|
   preferences = begin
-    Preferences.from_json(env.request.cookies["PREFS"]?.try &.value || "{}")
+    Preferences.from_json(URI.decode_www_form(env.request.cookies["PREFS"]?.try &.value || "{}"))
   rescue
     Preferences.from_json("{}")
   end
@@ -421,7 +421,7 @@ get "/modify_notifications" do |env|
 
     html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
 
-    cookies = HTTP::Cookies.from_headers(headers)
+    cookies = HTTP::Cookies.from_client_headers(headers)
     html.cookies.each do |cookie|
       if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
         if cookies[cookie.name]?
diff --git a/src/invidious/helpers/utils.cr b/src/invidious/helpers/utils.cr
index 10d4e6b6d..20107fadc 100644
--- a/src/invidious/helpers/utils.cr
+++ b/src/invidious/helpers/utils.cr
@@ -1,5 +1,5 @@
 require "lsquic"
-require "pool/connection"
+require "db"
 
 def add_yt_headers(request)
   request.headers["user-agent"] ||= "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
@@ -20,7 +20,7 @@ struct YoutubeConnectionPool
   property! url : URI
   property! capacity : Int32
   property! timeout : Float64
-  property pool : ConnectionPool(QUIC::Client | HTTP::Client)
+  property pool : DB::Pool(QUIC::Client | HTTP::Client)
 
   def initialize(url : URI, @capacity = 5, @timeout = 5.0, use_quic = true)
     @url = url
@@ -43,7 +43,7 @@ struct YoutubeConnectionPool
         conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
         response = yield conn
       ensure
-        pool.checkin(conn)
+        pool.release(conn)
       end
     end
 
@@ -51,7 +51,7 @@ struct YoutubeConnectionPool
   end
 
   private def build_pool(use_quic)
-    ConnectionPool(QUIC::Client | HTTP::Client).new(capacity: capacity, timeout: timeout) do
+    DB::Pool(QUIC::Client | HTTP::Client).new(initial_pool_size: 0, max_pool_size: capacity, max_idle_pool_size: capacity, checkout_timeout: timeout) do
       if use_quic
         conn = QUIC::Client.new(url)
       else
diff --git a/src/invidious/jobs/bypass_captcha_job.cr b/src/invidious/jobs/bypass_captcha_job.cr
index 4269e1239..e68b81e61 100644
--- a/src/invidious/jobs/bypass_captcha_job.cr
+++ b/src/invidious/jobs/bypass_captcha_job.cr
@@ -112,7 +112,7 @@ class Invidious::Jobs::BypassCaptchaJob < Invidious::Jobs::BaseJob
             headers = HTTP::Headers{
               "Cookie" => URI.parse(response.headers["location"]).query_params["google_abuse"].split(";")[0],
             }
-            cookies = HTTP::Cookies.from_headers(headers)
+            cookies = HTTP::Cookies.from_client_headers(headers)
 
             cookies.each { |cookie| CONFIG.cookies << cookie }
 
diff --git a/src/invidious/routes/login.cr b/src/invidious/routes/login.cr
index ffe5f568a..f9e6ea6c5 100644
--- a/src/invidious/routes/login.cr
+++ b/src/invidious/routes/login.cr
@@ -238,7 +238,7 @@ class Invidious::Routes::Login < Invidious::Routes::BaseRoute
         traceback << "Logging in..."
 
         location = URI.parse(challenge_results[0][-1][2].to_s)
-        cookies = HTTP::Cookies.from_headers(headers)
+        cookies = HTTP::Cookies.from_client_headers(headers)
 
         headers.delete("Content-Type")
         headers.delete("Google-Accounts-XSRF")
@@ -261,7 +261,7 @@ class Invidious::Routes::Login < Invidious::Routes::BaseRoute
           location = login.headers["Location"]?.try { |u| URI.parse(u) }
         end
 
-        cookies = HTTP::Cookies.from_headers(headers)
+        cookies = HTTP::Cookies.from_client_headers(headers)
         sid = cookies["SID"]?.try &.value
         if !sid
           raise "Couldn't get SID."
diff --git a/src/invidious/routes/preferences.cr b/src/invidious/routes/preferences.cr
index cfdad4433..f98c7a5e6 100644
--- a/src/invidious/routes/preferences.cr
+++ b/src/invidious/routes/preferences.cr
@@ -198,10 +198,10 @@ class Invidious::Routes::PreferencesRoute < Invidious::Routes::BaseRoute
       end
 
       if CONFIG.domain
-        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{CONFIG.domain}", value: preferences, expires: Time.utc + 2.years,
+        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{CONFIG.domain}", value: URI.encode_www_form(preferences), expires: Time.utc + 2.years,
           secure: secure, http_only: true)
       else
-        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.utc + 2.years,
+        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: URI.encode_www_form(preferences), expires: Time.utc + 2.years,
           secure: secure, http_only: true)
       end
     end
@@ -250,10 +250,10 @@ class Invidious::Routes::PreferencesRoute < Invidious::Routes::BaseRoute
       end
 
       if CONFIG.domain
-        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{CONFIG.domain}", value: preferences, expires: Time.utc + 2.years,
+        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", domain: "#{CONFIG.domain}", value: URI.encode_www_form(preferences), expires: Time.utc + 2.years,
           secure: secure, http_only: true)
       else
-        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: preferences, expires: Time.utc + 2.years,
+        env.response.cookies["PREFS"] = HTTP::Cookie.new(name: "PREFS", value: URI.encode_www_form(preferences), expires: Time.utc + 2.years,
           secure: secure, http_only: true)
       end
     end
diff --git a/src/invidious/users.cr b/src/invidious/users.cr
index 5dfd80bb0..d774ee124 100644
--- a/src/invidious/users.cr
+++ b/src/invidious/users.cr
@@ -462,7 +462,7 @@ def subscribe_ajax(channel_id, action, env_headers)
 
   html = YT_POOL.client &.get("/subscription_manager?disable_polymer=1", headers)
 
-  cookies = HTTP::Cookies.from_headers(headers)
+  cookies = HTTP::Cookies.from_client_headers(headers)
   html.cookies.each do |cookie|
     if {"VISITOR_INFO1_LIVE", "YSC", "SIDCC"}.includes? cookie.name
       if cookies[cookie.name]?