diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b770281bd..17930b785 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -132,6 +132,8 @@ The following tests are at a `error` level and will prevent merging:
 - [Emdash](https://github.com/errata-ai/Google/blob/master/Google/EmDash.yml)
 - [Endash](https://github.com/errata-ai/Google/blob/master/Google/EmDash.yml)
 - [Exclamation](https://github.com/errata-ai/Google/blob/master/Google/Exclamation.yml)
+- [Gender](https://developers.google.com/style/pronouns#gender-neutral-pronouns)
+- [GenderBias](https://developers.google.com/style/inclusive-documentation)
 - [HeadingPunctuation](https://developers.google.com/style/capitalization#capitalization-in-titles-and-headings)
 - [LyHyphens](https://developers.google.com/style/hyphens)
 - [NonStandardQuotes](https://github.com/fluent/fluent-bit-docs/blob/master/vale-styles/FluentBit/NonStandardQuotes.yml):
diff --git a/vale-styles/FluentBit/Gender.yml b/vale-styles/FluentBit/Gender.yml
index 9b5689ebd..c8486181d 100644
--- a/vale-styles/FluentBit/Gender.yml
+++ b/vale-styles/FluentBit/Gender.yml
@@ -1,9 +1,9 @@
 extends: existence
 message: "Don't use '%s' as a gender-neutral pronoun."
 link: 'https://developers.google.com/style/pronouns#gender-neutral-pronouns'
-level: suggestion
+level: error
 ignorecase: true
 tokens:
   - he/she
   - s/he
-  - \(s\)he
\ No newline at end of file
+  - \(s\)he
diff --git a/vale-styles/FluentBit/GenderBias.yml b/vale-styles/FluentBit/GenderBias.yml
index 3a3b6985e..261cfb666 100644
--- a/vale-styles/FluentBit/GenderBias.yml
+++ b/vale-styles/FluentBit/GenderBias.yml
@@ -2,7 +2,7 @@ extends: substitution
 message: "Consider using '%s' instead of '%s'."
 link: 'https://developers.google.com/style/inclusive-documentation'
 ignorecase: true
-level: suggestion
+level: error
 swap:
   (?:alumna|alumnus):          graduate
   (?:alumnae|alumni):          graduates
@@ -42,4 +42,4 @@ swap:
   waitress:                    waiter
   woman doctor:                doctor
   woman scientist[s]?:         scientist(s)
-  work(?:m[ae]n|wom[ae]n):     worker(s)
\ No newline at end of file
+  work(?:m[ae]n|wom[ae]n):     worker(s)