diff --git a/db/migrate/20220918031429_change_ip_addresses_to_nullable.rb b/db/migrate/20220918031429_change_ip_addresses_to_nullable.rb
new file mode 100644
index 000000000..5168fd29d
--- /dev/null
+++ b/db/migrate/20220918031429_change_ip_addresses_to_nullable.rb
@@ -0,0 +1,17 @@
+class ChangeIpAddressesToNullable < ActiveRecord::Migration[7.0]
+  def change
+    change_column_null :artist_versions, :updater_ip_addr, true
+    change_column_null :artist_commentary_versions, :updater_ip_addr, true
+    change_column_null :note_versions, :updater_ip_addr, true
+    change_column_null :wiki_page_versions, :updater_ip_addr, true
+    change_column_null :post_versions, :updater_ip_addr, true
+    change_column_null :pool_versions, :updater_ip_addr, true
+
+    change_column_null :comments, :creator_ip_addr, true
+    change_column_null :comments, :updater_ip_addr, true
+    change_column_null :dmails, :creator_ip_addr, true
+
+    change_column_null :posts, :uploader_ip_addr, true
+    change_column_null :uploads, :uploader_ip_addr, true
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index ad13d83eb..8a4c4d918 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -195,7 +195,7 @@ CREATE TABLE public.artist_commentary_versions (
     id integer NOT NULL,
     post_id integer NOT NULL,
     updater_id integer NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     original_title text DEFAULT ''::text NOT NULL,
     original_description text DEFAULT ''::text NOT NULL,
     translated_title text DEFAULT ''::text NOT NULL,
@@ -269,7 +269,7 @@ CREATE TABLE public.artist_versions (
     artist_id integer NOT NULL,
     name character varying NOT NULL,
     updater_id integer NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     is_deleted boolean DEFAULT false NOT NULL,
     other_names text[] DEFAULT '{}'::text[] NOT NULL,
     group_name character varying DEFAULT ''::character varying NOT NULL,
@@ -453,7 +453,7 @@ CREATE TABLE public.comments (
     post_id integer NOT NULL,
     creator_id integer NOT NULL,
     body text NOT NULL,
-    creator_ip_addr inet NOT NULL,
+    creator_ip_addr inet,
     score integer DEFAULT 0 NOT NULL,
     created_at timestamp without time zone NOT NULL,
     updated_at timestamp without time zone NOT NULL,
@@ -500,7 +500,7 @@ CREATE TABLE public.dmails (
     is_deleted boolean DEFAULT false NOT NULL,
     created_at timestamp without time zone NOT NULL,
     updated_at timestamp without time zone NOT NULL,
-    creator_ip_addr inet NOT NULL,
+    creator_ip_addr inet,
     is_spam boolean DEFAULT false NOT NULL
 );
 
@@ -1105,7 +1105,7 @@ CREATE TABLE public.note_versions (
     width integer NOT NULL,
     height integer NOT NULL,
     body text NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     is_active boolean DEFAULT true NOT NULL,
     note_id integer NOT NULL,
     post_id integer NOT NULL,
@@ -1216,7 +1216,7 @@ CREATE TABLE public.pool_versions (
     updated_at timestamp(6) without time zone NOT NULL,
     pool_id bigint NOT NULL,
     updater_id bigint NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     version integer DEFAULT 1 NOT NULL,
     name text NOT NULL,
     description text DEFAULT ''::text NOT NULL,
@@ -1481,7 +1481,7 @@ CREATE TABLE public.post_versions (
     updated_at timestamp(6) without time zone NOT NULL,
     post_id bigint NOT NULL,
     updater_id bigint NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     version integer DEFAULT 1 NOT NULL,
     parent_changed boolean DEFAULT false NOT NULL,
     rating_changed boolean DEFAULT false NOT NULL,
@@ -1564,7 +1564,7 @@ CREATE TABLE public.posts (
     rating character(1) DEFAULT 'q'::bpchar NOT NULL,
     image_width integer NOT NULL,
     image_height integer NOT NULL,
-    uploader_ip_addr inet NOT NULL,
+    uploader_ip_addr inet,
     tag_string text DEFAULT ''::text NOT NULL,
     fav_count integer DEFAULT 0 NOT NULL,
     file_ext character varying NOT NULL,
@@ -1921,7 +1921,7 @@ CREATE TABLE public.uploads (
     id integer NOT NULL,
     source text,
     uploader_id integer NOT NULL,
-    uploader_ip_addr inet NOT NULL,
+    uploader_ip_addr inet,
     status text DEFAULT 'pending'::text NOT NULL,
     created_at timestamp without time zone NOT NULL,
     updated_at timestamp without time zone NOT NULL,
@@ -2056,7 +2056,7 @@ CREATE TABLE public.wiki_page_versions (
     title character varying NOT NULL,
     body text NOT NULL,
     updater_id integer NOT NULL,
-    updater_ip_addr inet NOT NULL,
+    updater_ip_addr inet,
     wiki_page_id integer NOT NULL,
     is_locked boolean NOT NULL,
     other_names text[] DEFAULT '{}'::text[] NOT NULL,
@@ -6693,6 +6693,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20220909211649'),
 ('20220913191300'),
 ('20220913191309'),
-('20220917204044');
+('20220917204044'),
+('20220918031429');