diff --git a/app/models/lets_encrypt/certificate.rb b/app/models/lets_encrypt/certificate.rb
index fafafdc..d634a98 100644
--- a/app/models/lets_encrypt/certificate.rb
+++ b/app/models/lets_encrypt/certificate.rb
@@ -26,6 +26,8 @@ class Certificate < ApplicationRecord
     include CertificateVerifiable
     include CertificateIssuable
 
+    self.table_name = 'letsencrypt_certificates'
+
     validates :domain, presence: true, uniqueness: true
 
     scope :active, -> { where('certificate IS NOT NULL AND expires_at > ?', Time.zone.now) }
diff --git a/gemfiles/rails7.gemfile.lock b/gemfiles/rails7.gemfile.lock
index 2b44960..0761511 100644
--- a/gemfiles/rails7.gemfile.lock
+++ b/gemfiles/rails7.gemfile.lock
@@ -18,41 +18,42 @@ GEM
     acme-client (2.0.15)
       faraday (>= 1.0, < 3.0.0)
       faraday-retry (>= 1.0, < 3.0.0)
-    actionmailer (7.1.1)
-      actionpack (= 7.1.1)
-      actionview (= 7.1.1)
-      activejob (= 7.1.1)
-      activesupport (= 7.1.1)
+    actionmailer (7.1.3)
+      actionpack (= 7.1.3)
+      actionview (= 7.1.3)
+      activejob (= 7.1.3)
+      activesupport (= 7.1.3)
       mail (~> 2.5, >= 2.5.4)
       net-imap
       net-pop
       net-smtp
       rails-dom-testing (~> 2.2)
-    actionpack (7.1.1)
-      actionview (= 7.1.1)
-      activesupport (= 7.1.1)
+    actionpack (7.1.3)
+      actionview (= 7.1.3)
+      activesupport (= 7.1.3)
       nokogiri (>= 1.8.5)
+      racc
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    actionview (7.1.1)
-      activesupport (= 7.1.1)
+    actionview (7.1.3)
+      activesupport (= 7.1.3)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (7.1.1)
-      activesupport (= 7.1.1)
+    activejob (7.1.3)
+      activesupport (= 7.1.3)
       globalid (>= 0.3.6)
-    activemodel (7.1.1)
-      activesupport (= 7.1.1)
-    activerecord (7.1.1)
-      activemodel (= 7.1.1)
-      activesupport (= 7.1.1)
+    activemodel (7.1.3)
+      activesupport (= 7.1.3)
+    activerecord (7.1.3)
+      activemodel (= 7.1.3)
+      activesupport (= 7.1.3)
       timeout (>= 0.4.0)
-    activesupport (7.1.1)
+    activesupport (7.1.3)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
@@ -68,9 +69,9 @@ GEM
       thor (>= 0.14.0)
     ast (2.4.2)
     base64 (0.2.0)
-    bigdecimal (3.1.4)
+    bigdecimal (3.1.6)
     builder (3.2.4)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.4)
@@ -90,13 +91,13 @@ GEM
       activesupport (>= 6.1)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    io-console (0.6.0)
-    irb (1.8.3)
+    io-console (0.7.2)
+    irb (1.11.2)
       rdoc
-      reline (>= 0.3.8)
+      reline (>= 0.4.2)
     json (2.6.3)
     language_server-protocol (3.17.0.3)
-    loofah (2.21.4)
+    loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -105,16 +106,16 @@ GEM
       net-pop
       net-smtp
     mini_mime (1.1.5)
-    minitest (5.20.0)
+    minitest (5.22.2)
     mutex_m (0.2.0)
-    net-imap (0.4.4)
+    net-imap (0.4.10)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.4.0)
+    net-smtp (0.4.0.1)
       net-protocol
     nokogiri (1.15.4-x86_64-darwin)
       racc (~> 1.4)
@@ -124,7 +125,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     racc (1.7.3)
     rack (3.0.8)
@@ -142,9 +143,9 @@ GEM
     rails-html-sanitizer (1.6.0)
       loofah (~> 2.21)
       nokogiri (~> 1.14)
-    railties (7.1.1)
-      actionpack (= 7.1.1)
-      activesupport (= 7.1.1)
+    railties (7.1.3)
+      actionpack (= 7.1.3)
+      activesupport (= 7.1.3)
       irb
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -152,14 +153,14 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.1.0)
-    rdoc (6.6.0)
+    rdoc (6.6.2)
       psych (>= 4.0.0)
     redis (5.0.8)
       redis-client (>= 0.17.0)
     redis-client (0.18.0)
       connection_pool
     regexp_parser (2.8.2)
-    reline (0.3.9)
+    reline (0.4.2)
       io-console (~> 0.5)
     rexml (3.2.6)
     rspec-core (3.12.2)
@@ -205,14 +206,14 @@ GEM
     simplecov-html (0.10.2)
     sqlite3 (1.6.8-x86_64-darwin)
     sqlite3 (1.6.8-x86_64-linux)
-    stringio (3.0.8)
+    stringio (3.1.0)
     thor (1.3.0)
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
     webrick (1.8.1)
-    zeitwerk (2.6.12)
+    zeitwerk (2.6.13)
 
 PLATFORMS
   x86_64-darwin-22
diff --git a/lib/letsencrypt.rb b/lib/letsencrypt.rb
index e2b124f..5ab8e39 100644
--- a/lib/letsencrypt.rb
+++ b/lib/letsencrypt.rb
@@ -83,11 +83,6 @@ def config(&block)
       @config
     end
 
-    # @api private
-    def table_name_prefix
-      'letsencrypt_'
-    end
-
     def certificate_model
       @certificate_model ||= config.certificate_model.constantize
     end