diff --git a/migrations/2021-09-13-143540_sections/down.sql b/migrations/2021-09-13-143540_sections/down.sql
index bd985fd..792db38 100644
--- a/migrations/2021-09-13-143540_sections/down.sql
+++ b/migrations/2021-09-13-143540_sections/down.sql
@@ -4,5 +4,6 @@ drop trigger update_enforce_version_titles on versions;
 drop function enforce_version_titles;
 
 drop table versions cascade;
+drop table tags cascade;
 drop table posts cascade;
 drop table sections cascade;
diff --git a/migrations/2021-09-13-143540_sections/up.sql b/migrations/2021-09-13-143540_sections/up.sql
index c663de4..3334941 100644
--- a/migrations/2021-09-13-143540_sections/up.sql
+++ b/migrations/2021-09-13-143540_sections/up.sql
@@ -46,7 +46,14 @@ create table versions (
 
     -- This check allows draft posts to be created without having to enter a
     -- publish date, but forces them to have one if they're not a draft.
-    CHECK (is_draft OR publish_date IS NOT NULL)
+    CONSTRAINT no_null_published_date CHECK (is_draft OR publish_date IS NOT NULL)
+);
+
+create table tags (
+    post_id uuid NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+    value varchar(64) NOT NULL,
+
+    PRIMARY KEY (post_id, value)
 );
 
 create function enforce_version_titles() returns trigger as $$
diff --git a/src/schema.rs b/src/schema.rs
index 246ea3c..b032c41 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -19,6 +19,13 @@ table! {
     }
 }
 
+table! {
+    tags (post_id, value) {
+        post_id -> Uuid,
+        value -> Varchar,
+    }
+}
+
 table! {
     versions (id) {
         id -> Uuid,
@@ -31,10 +38,12 @@ table! {
 }
 
 joinable!(posts -> sections (section_id));
+joinable!(tags -> posts (post_id));
 joinable!(versions -> posts (post_id));
 
 allow_tables_to_appear_in_same_query!(
     posts,
     sections,
+    tags,
     versions,
 );