diff --git a/assets/openapi.json b/assets/openapi.json
index b147fc36a..f51ef3805 100644
Binary files a/assets/openapi.json and b/assets/openapi.json differ
diff --git a/assets/schemas.json b/assets/schemas.json
index fa1337109..40474e02c 100644
Binary files a/assets/schemas.json and b/assets/schemas.json differ
diff --git a/src/api/routes/users/#user_id/profile.ts b/src/api/routes/users/#user_id/profile.ts
index 1db2a63da..ef7ff0e8c 100644
--- a/src/api/routes/users/#user_id/profile.ts
+++ b/src/api/routes/users/#user_id/profile.ts
@@ -187,6 +187,18 @@ router.patch("/", route({ requestBody: "UserProfileModifySchema" }), async (req:
         }
     }
 
+    if (body.pronouns) {
+        const { maxPronouns } = Config.get().limits.user;
+        if (body.pronouns.length > maxPronouns) {
+            throw FieldErrors({
+                pronouns: {
+                    code: "PRONOUNS_INVALID",
+                    message: `Pronouns must be less than ${maxPronouns} in length`,
+                },
+            });
+        }
+    }
+
     user.assign(body);
     await user.save();
 
diff --git a/src/util/config/types/subconfigurations/limits/UserLimits.ts b/src/util/config/types/subconfigurations/limits/UserLimits.ts
index cbe686d14..8a9647cc6 100644
--- a/src/util/config/types/subconfigurations/limits/UserLimits.ts
+++ b/src/util/config/types/subconfigurations/limits/UserLimits.ts
@@ -21,4 +21,5 @@ export class UserLimits {
     maxUsername: number = 32;
     maxFriends: number = 5000;
     maxBio: number = 190;
+    maxPronouns: number = 40;
 }