diff --git a/.sqlx/query-16dfb0d87266568fb8a84585614387c8bfa4790b9e8d317159b37397e42b7ceb.json b/.sqlx/query-16dfb0d87266568fb8a84585614387c8bfa4790b9e8d317159b37397e42b7ceb.json
index a3ae9ba9b..591b42a07 100644
--- a/.sqlx/query-16dfb0d87266568fb8a84585614387c8bfa4790b9e8d317159b37397e42b7ceb.json
+++ b/.sqlx/query-16dfb0d87266568fb8a84585614387c8bfa4790b9e8d317159b37397e42b7ceb.json
@@ -11,7 +11,7 @@
       {
         "ordinal": 1,
         "name": "avatar",
-        "type_info": "Varchar"
+        "type_info": "Text"
       },
       {
         "ordinal": 2,
diff --git a/.sqlx/query-1e48486ba272a4e2ea8793114e412c14ed13f652419b1467c21e1829f31cd573.json b/.sqlx/query-1e48486ba272a4e2ea8793114e412c14ed13f652419b1467c21e1829f31cd573.json
index 90d8b6731..438d11b06 100644
--- a/.sqlx/query-1e48486ba272a4e2ea8793114e412c14ed13f652419b1467c21e1829f31cd573.json
+++ b/.sqlx/query-1e48486ba272a4e2ea8793114e412c14ed13f652419b1467c21e1829f31cd573.json
@@ -11,7 +11,7 @@
       {
         "ordinal": 1,
         "name": "avatar",
-        "type_info": "Varchar"
+        "type_info": "Text"
       },
       {
         "ordinal": 2,
diff --git a/.sqlx/query-87952bd450ed2c13b99bd502a73a84edd7d17e6171523ebbd57f1d9dd7c9b46c.json b/.sqlx/query-87952bd450ed2c13b99bd502a73a84edd7d17e6171523ebbd57f1d9dd7c9b46c.json
index 9b7cbc9f7..8aedc7865 100644
--- a/.sqlx/query-87952bd450ed2c13b99bd502a73a84edd7d17e6171523ebbd57f1d9dd7c9b46c.json
+++ b/.sqlx/query-87952bd450ed2c13b99bd502a73a84edd7d17e6171523ebbd57f1d9dd7c9b46c.json
@@ -12,7 +12,7 @@
     "parameters": {
       "Left": [
         "Varchar",
-        "Varchar",
+        "Text",
         {
           "Custom": {
             "name": "owner_kind",
diff --git a/.sqlx/query-d87220d3f4503e99fa17815db0058ab7883bf28f216d5b5fd720c56fd8889eed.json b/.sqlx/query-d87220d3f4503e99fa17815db0058ab7883bf28f216d5b5fd720c56fd8889eed.json
index 7feaf3ddd..8c839d110 100644
--- a/.sqlx/query-d87220d3f4503e99fa17815db0058ab7883bf28f216d5b5fd720c56fd8889eed.json
+++ b/.sqlx/query-d87220d3f4503e99fa17815db0058ab7883bf28f216d5b5fd720c56fd8889eed.json
@@ -11,7 +11,7 @@
       {
         "ordinal": 1,
         "name": "avatar",
-        "type_info": "Varchar"
+        "type_info": "Text"
       },
       {
         "ordinal": 2,
diff --git a/migrations/20241219091521_owner-avatar-longer.down.sql b/migrations/20241219091521_owner-avatar-longer.down.sql
new file mode 100644
index 000000000..d4c6dc992
--- /dev/null
+++ b/migrations/20241219091521_owner-avatar-longer.down.sql
@@ -0,0 +1,2 @@
+UPDATE owners SET avatar = '' WHERE LENGTH(avatar) > 255;
+ALTER TABLE owners ALTER COLUMN avatar TYPE VARCHAR(255);
diff --git a/migrations/20241219091521_owner-avatar-longer.up.sql b/migrations/20241219091521_owner-avatar-longer.up.sql
new file mode 100644
index 000000000..e292322aa
--- /dev/null
+++ b/migrations/20241219091521_owner-avatar-longer.up.sql
@@ -0,0 +1 @@
+ALTER TABLE owners ALTER COLUMN avatar TYPE TEXT;
diff --git a/src/db/add_package.rs b/src/db/add_package.rs
index ff4c0101e..bf15881cf 100644
--- a/src/db/add_package.rs
+++ b/src/db/add_package.rs
@@ -957,6 +957,46 @@ mod test {
         })
     }
 
+    #[test]
+    fn new_owner_long_avatar() {
+        async_wrapper(|env| async move {
+            let mut conn = env.async_db().await.async_conn().await;
+            let crate_id = initialize_crate(&mut conn, "krate").await?;
+
+            let owner1 = CrateOwner {
+                avatar: "avatar".repeat(100),
+                login: "login".into(),
+                kind: OwnerKind::User,
+            };
+
+            update_owners_in_database(&mut conn, &[owner1.clone()], crate_id).await?;
+
+            let owner_def = sqlx::query!(
+                r#"SELECT login, avatar, kind as "kind: OwnerKind"
+                FROM owners"#
+            )
+            .fetch_one(&mut *conn)
+            .await?;
+            assert_eq!(owner_def.login, owner1.login);
+            assert_eq!(owner_def.avatar, owner1.avatar);
+            assert_eq!(owner_def.kind, owner1.kind);
+
+            let owner_rel = sqlx::query!(
+                "SELECT o.login
+                FROM owners o, owner_rels r
+                WHERE
+                    o.id = r.oid AND
+                    r.cid = $1",
+                crate_id.0
+            )
+            .fetch_one(&mut *conn)
+            .await?;
+            assert_eq!(owner_rel.login, owner1.login);
+
+            Ok(())
+        })
+    }
+
     #[test]
     fn new_owners() {
         async_wrapper(|env| async move {