diff --git a/app/graphql/types/security/codequality_reports_comparer/degradation_type.rb b/app/graphql/types/security/codequality_reports_comparer/degradation_type.rb
index 7dd47611a2e9f166161aa4b087f62ac2988be797..d4aca0a3792531b56b949829c6829b41ecae1d71 100644
--- a/app/graphql/types/security/codequality_reports_comparer/degradation_type.rb
+++ b/app/graphql/types/security/codequality_reports_comparer/degradation_type.rb
@@ -35,7 +35,7 @@ class DegradationType < BaseObject
           description: 'URL to the file along with line number.'
 
         field :engine_name, GraphQL::Types::String,
-          null: false,
+          null: true,
           description: 'Code quality plugin that reported the degradation.'
       end
       # rubocop: enable Graphql/AuthorizeTypes
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index d5e80e0549f6ed65bcdb0c7ee400ab3b0c37d43b..f587b6ca31de548ecf6168ad735717477fdb1902 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -15980,7 +15980,7 @@ Represents a degradation on the compared codequality report.
 | Name | Type | Description |
 | ---- | ---- | ----------- |
 | <a id="codequalityreportscomparerreportdegradationdescription"></a>`description` | [`String!`](#string) | Description of the code quality degradation. |
-| <a id="codequalityreportscomparerreportdegradationenginename"></a>`engineName` | [`String!`](#string) | Code quality plugin that reported the degradation. |
+| <a id="codequalityreportscomparerreportdegradationenginename"></a>`engineName` | [`String`](#string) | Code quality plugin that reported the degradation. |
 | <a id="codequalityreportscomparerreportdegradationfilepath"></a>`filePath` | [`String!`](#string) | Relative path to the file containing the code quality degradation. |
 | <a id="codequalityreportscomparerreportdegradationfingerprint"></a>`fingerprint` | [`String!`](#string) | Unique fingerprint to identify the code quality degradation. For example, an MD5 hash. |
 | <a id="codequalityreportscomparerreportdegradationline"></a>`line` | [`Int!`](#int) | Line on which the code quality degradation occurred. |