diff --git a/Gemfile b/Gemfile
index c0eadbe75fa18d2cd30619ccb02bd3799329c885..16094fe3f0e6de207c35e2a046d8cffdc57d56f9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -642,7 +642,7 @@ gem 'ssh_data', '~> 1.3', feature_category: :shared
 gem 'spamcheck', '~> 1.3.0', feature_category: :insider_threat
 
 # Gitaly GRPC protocol definitions
-gem 'gitaly', '~> 17.8.0', feature_category: :gitaly
+gem 'gitaly', '~> 17.11.2', feature_category: :gitaly
 
 # KAS GRPC protocol definitions
 gem 'gitlab-kas-grpc', '~> 17.11.0', feature_category: :deployment_management
diff --git a/Gemfile.checksum b/Gemfile.checksum
index 726518d2051618b00906c614a9298e470d5830dc..1c6670ef760fb1fcaaae53bf289af09a3c9cb49e 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -215,7 +215,7 @@
 {"name":"gettext","version":"3.5.1","platform":"ruby","checksum":"03ec7f71ea7e2cf1fdcd5e08682e98b81601922fdbee890b7bc6f63b0e1a512a"},
 {"name":"gettext_i18n_rails","version":"1.13.0","platform":"ruby","checksum":"d4a4739d928b6ce52a2d694d33a831dcb06c7c8e197b3172fc73dfaa20ac8ee6"},
 {"name":"git","version":"1.19.1","platform":"ruby","checksum":"b0a422d9f6517353c48a330d6114de4db9e0c82dbe7202964a1d9f1fbc827d70"},
-{"name":"gitaly","version":"17.8.4","platform":"ruby","checksum":"196d9735a83f8a7d396baa216b979eb0c801622d8b7573f90010338d5b0c7b4f"},
+{"name":"gitaly","version":"17.11.2","platform":"ruby","checksum":"32266469296345187d16ab3cfa3da849338817987b722a46eed4309ee18f996e"},
 {"name":"gitlab","version":"4.19.0","platform":"ruby","checksum":"3f645e3e195dbc24f0834fbf83e8ccfb2056d8e9712b01a640aad418a6949679"},
 {"name":"gitlab-chronic","version":"0.10.6","platform":"ruby","checksum":"a244d11a1396d2aac6ae9b2f326adf1605ec1ad20c29f06e8b672047d415a9ac"},
 {"name":"gitlab-cloud-connector","version":"1.12.0","platform":"ruby","checksum":"b1eb7b0f5cb6633929681904d92771b387ec126b02319cd6cb62dd04bd5750af"},
@@ -282,7 +282,7 @@
 {"name":"google-protobuf","version":"3.25.7","platform":"x86_64-darwin","checksum":"9dd1a8fde13e2b2f399cd9df95bc72851e28a71a70211145f02ec32f0569cd1c"},
 {"name":"google-protobuf","version":"3.25.7","platform":"x86_64-linux","checksum":"f4bf387f7aa782377ca3ac6ef3ff612867dfe8d061fd31f756082038f37df727"},
 {"name":"googleapis-common-protos","version":"1.4.0","platform":"ruby","checksum":"da2380fb5ab1563580816c74e8d684ac17512c3654c829a3ee84f6d6139de382"},
-{"name":"googleapis-common-protos-types","version":"1.19.0","platform":"ruby","checksum":"aecb76ca5326f8bcc47ab083259bbc4971d07e87f56808af7e210669d9765694"},
+{"name":"googleapis-common-protos-types","version":"1.20.0","platform":"ruby","checksum":"5e374b06bcfc7e13556e7c0d87b99f1fa3d42de6396a1de3d8fc13aefb4dd07f"},
 {"name":"googleauth","version":"1.8.1","platform":"ruby","checksum":"814adadaaa1221dce72a67131e3ecbd6d23491a161ec84fb15fd353b87d8c9e7"},
 {"name":"gpgme","version":"2.0.24","platform":"ruby","checksum":"53eccd7042abb4fd5c78f30bc9ed075b1325e6450eab207f2f6a1e7e28ae3b64"},
 {"name":"grape","version":"2.0.0","platform":"ruby","checksum":"3aeff94c17e84ccead4ff98833df691e7da0c108878cc128ca31f80c1047494a"},
diff --git a/Gemfile.lock b/Gemfile.lock
index e8a5be430fbec6f49f90308a6f848ea6c578c330..976e87685bf94bfceeb526ca43e17e8f88f37e64 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -743,7 +743,7 @@ GEM
     git (1.19.1)
       addressable (~> 2.8)
       rchardet (~> 1.8)
-    gitaly (17.8.4)
+    gitaly (17.11.2)
       grpc (~> 1.0)
     gitlab (4.19.0)
       httparty (~> 0.20)
@@ -924,7 +924,7 @@ GEM
       google-protobuf (~> 3.14)
       googleapis-common-protos-types (~> 1.2)
       grpc (~> 1.27)
-    googleapis-common-protos-types (1.19.0)
+    googleapis-common-protos-types (1.20.0)
       google-protobuf (>= 3.18, < 5.a)
     googleauth (1.8.1)
       faraday (>= 0.17.3, < 3.a)
@@ -2159,7 +2159,7 @@ DEPENDENCIES
   gettext (~> 3.5, >= 3.5.1)
   gettext_i18n_rails (~> 1.13.0)
   git (~> 1.8)
-  gitaly (~> 17.8.0)
+  gitaly (~> 17.11.2)
   gitlab-active-context!
   gitlab-backup-cli!
   gitlab-chronic (~> 0.10.5)
diff --git a/Gemfile.next.checksum b/Gemfile.next.checksum
index 726518d2051618b00906c614a9298e470d5830dc..1c6670ef760fb1fcaaae53bf289af09a3c9cb49e 100644
--- a/Gemfile.next.checksum
+++ b/Gemfile.next.checksum
@@ -215,7 +215,7 @@
 {"name":"gettext","version":"3.5.1","platform":"ruby","checksum":"03ec7f71ea7e2cf1fdcd5e08682e98b81601922fdbee890b7bc6f63b0e1a512a"},
 {"name":"gettext_i18n_rails","version":"1.13.0","platform":"ruby","checksum":"d4a4739d928b6ce52a2d694d33a831dcb06c7c8e197b3172fc73dfaa20ac8ee6"},
 {"name":"git","version":"1.19.1","platform":"ruby","checksum":"b0a422d9f6517353c48a330d6114de4db9e0c82dbe7202964a1d9f1fbc827d70"},
-{"name":"gitaly","version":"17.8.4","platform":"ruby","checksum":"196d9735a83f8a7d396baa216b979eb0c801622d8b7573f90010338d5b0c7b4f"},
+{"name":"gitaly","version":"17.11.2","platform":"ruby","checksum":"32266469296345187d16ab3cfa3da849338817987b722a46eed4309ee18f996e"},
 {"name":"gitlab","version":"4.19.0","platform":"ruby","checksum":"3f645e3e195dbc24f0834fbf83e8ccfb2056d8e9712b01a640aad418a6949679"},
 {"name":"gitlab-chronic","version":"0.10.6","platform":"ruby","checksum":"a244d11a1396d2aac6ae9b2f326adf1605ec1ad20c29f06e8b672047d415a9ac"},
 {"name":"gitlab-cloud-connector","version":"1.12.0","platform":"ruby","checksum":"b1eb7b0f5cb6633929681904d92771b387ec126b02319cd6cb62dd04bd5750af"},
@@ -282,7 +282,7 @@
 {"name":"google-protobuf","version":"3.25.7","platform":"x86_64-darwin","checksum":"9dd1a8fde13e2b2f399cd9df95bc72851e28a71a70211145f02ec32f0569cd1c"},
 {"name":"google-protobuf","version":"3.25.7","platform":"x86_64-linux","checksum":"f4bf387f7aa782377ca3ac6ef3ff612867dfe8d061fd31f756082038f37df727"},
 {"name":"googleapis-common-protos","version":"1.4.0","platform":"ruby","checksum":"da2380fb5ab1563580816c74e8d684ac17512c3654c829a3ee84f6d6139de382"},
-{"name":"googleapis-common-protos-types","version":"1.19.0","platform":"ruby","checksum":"aecb76ca5326f8bcc47ab083259bbc4971d07e87f56808af7e210669d9765694"},
+{"name":"googleapis-common-protos-types","version":"1.20.0","platform":"ruby","checksum":"5e374b06bcfc7e13556e7c0d87b99f1fa3d42de6396a1de3d8fc13aefb4dd07f"},
 {"name":"googleauth","version":"1.8.1","platform":"ruby","checksum":"814adadaaa1221dce72a67131e3ecbd6d23491a161ec84fb15fd353b87d8c9e7"},
 {"name":"gpgme","version":"2.0.24","platform":"ruby","checksum":"53eccd7042abb4fd5c78f30bc9ed075b1325e6450eab207f2f6a1e7e28ae3b64"},
 {"name":"grape","version":"2.0.0","platform":"ruby","checksum":"3aeff94c17e84ccead4ff98833df691e7da0c108878cc128ca31f80c1047494a"},
diff --git a/Gemfile.next.lock b/Gemfile.next.lock
index e8a5be430fbec6f49f90308a6f848ea6c578c330..976e87685bf94bfceeb526ca43e17e8f88f37e64 100644
--- a/Gemfile.next.lock
+++ b/Gemfile.next.lock
@@ -743,7 +743,7 @@ GEM
     git (1.19.1)
       addressable (~> 2.8)
       rchardet (~> 1.8)
-    gitaly (17.8.4)
+    gitaly (17.11.2)
       grpc (~> 1.0)
     gitlab (4.19.0)
       httparty (~> 0.20)
@@ -924,7 +924,7 @@ GEM
       google-protobuf (~> 3.14)
       googleapis-common-protos-types (~> 1.2)
       grpc (~> 1.27)
-    googleapis-common-protos-types (1.19.0)
+    googleapis-common-protos-types (1.20.0)
       google-protobuf (>= 3.18, < 5.a)
     googleauth (1.8.1)
       faraday (>= 0.17.3, < 3.a)
@@ -2159,7 +2159,7 @@ DEPENDENCIES
   gettext (~> 3.5, >= 3.5.1)
   gettext_i18n_rails (~> 1.13.0)
   git (~> 1.8)
-  gitaly (~> 17.8.0)
+  gitaly (~> 17.11.2)
   gitlab-active-context!
   gitlab-backup-cli!
   gitlab-chronic (~> 0.10.5)
diff --git a/doc/api/openapi/openapi_v2.yaml b/doc/api/openapi/openapi_v2.yaml
index 09d4499a81a2afbb6a5220bd98f28abc5d8b8e72..909644728c2ec0d81d9c12f1f9139a951faa8c75 100644
--- a/doc/api/openapi/openapi_v2.yaml
+++ b/doc/api/openapi/openapi_v2.yaml
@@ -62110,11 +62110,24 @@ definitions:
       size:
         type: integer
         format: int32
-        description: Repository size in bytes.
       references:
         "$ref": "#/definitions/API_Entities_RepositoryHealth_References"
       objects:
         "$ref": "#/definitions/API_Entities_RepositoryHealth_Objects"
+      commit_graph:
+        "$ref": "#/definitions/API_Entities_RepositoryHealth_CommitGraph"
+      bitmap:
+        "$ref": "#/definitions/API_Entities_RepositoryHealth_Bitmap"
+      multi_pack_index:
+        "$ref": "#/definitions/API_Entities_RepositoryHealth_MultiPackIndex"
+      multi_pack_index_bitmap:
+        "$ref": "#/definitions/API_Entities_RepositoryHealth_Bitmap"
+      alternates:
+        type: object
+      is_object_pool:
+        type: boolean
+      last_full_repack:
+        "$ref": "#/definitions/API_Entities_RepositoryHealth_LastFullRepack"
       updated_at:
         type: string
         format: date-time
@@ -62126,36 +62139,87 @@ definitions:
       loose_count:
         type: integer
         format: int32
-        description: Number of loose references in the repository.
       packed_size:
         type: integer
         format: int32
-        description: Size in bytes of packed references in the repository.
       reference_backend:
         type: string
-        description: Type of backend used to store references. Either 'REFERENCE_BACKEND_REFTABLE'
-          or 'REFERENCE_BACKEND_FILES'.
   API_Entities_RepositoryHealth_Objects:
     type: object
     properties:
       size:
         type: integer
         format: int32
-        description: Size in bytes of all objects in the repository.
       recent_size:
         type: integer
         format: int32
-        description: Size in bytes of all recent objects in the repository. Recent
-          objects are those which are reachable.
       stale_size:
         type: integer
         format: int32
-        description: Size in bytes of all stale objects in the repository. Stale objects
-          are those which are unreachable and may be deleted during housekeeping.
       keep_size:
         type: integer
         format: int32
-        description: Size in bytes of all packfiles with the .keep extension.
+      packfile_count:
+        type: integer
+        format: int32
+      reverse_index_count:
+        type: integer
+        format: int32
+      cruft_count:
+        type: integer
+        format: int32
+      keep_count:
+        type: integer
+        format: int32
+      loose_objects_count:
+        type: integer
+        format: int32
+      stale_loose_objects_count:
+        type: integer
+        format: int32
+      loose_objects_garbage_count:
+        type: integer
+        format: int32
+  API_Entities_RepositoryHealth_CommitGraph:
+    type: object
+    properties:
+      commit_graph_chain_length:
+        type: integer
+        format: int32
+      has_bloom_filters:
+        type: boolean
+      has_generation_data:
+        type: boolean
+      has_generation_data_overflow:
+        type: boolean
+  API_Entities_RepositoryHealth_Bitmap:
+    type: object
+    properties:
+      has_hash_cache:
+        type: boolean
+      has_lookup_table:
+        type: boolean
+      version:
+        type: integer
+        format: int32
+  API_Entities_RepositoryHealth_MultiPackIndex:
+    type: object
+    properties:
+      packfile_count:
+        type: integer
+        format: int32
+      version:
+        type: integer
+        format: int32
+  API_Entities_RepositoryHealth_LastFullRepack:
+    type: object
+    properties:
+      seconds:
+        type: integer
+        format: int32
+      nanos:
+        type: integer
+        format: int32
   API_Entities_Contributor:
     type: object
     properties:
diff --git a/doc/api/repositories.md b/doc/api/repositories.md
index 3aab7b600010599f64d3c4616ba5d5a2b6359fa9..426aea15ad0e8c19f12eef31c7bca7b116787b21 100644
--- a/doc/api/repositories.md
+++ b/doc/api/repositories.md
@@ -534,6 +534,7 @@ Example response, with line breaks added for readability:
 
 - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/182220) in GitLab 17.10. Guarded behind the
   [project_repositories_health](https://gitlab.com/gitlab-org/gitlab/-/issues/521115) feature flag.
+- New fields [added](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/191263) in GitLab 18.1.
 
 {{< /history >}}
 
@@ -560,22 +561,55 @@ Example response:
 
 ```json
 {
-  "size": 42002816,
+  "size": 2619748827,
   "references": {
-    "loose_count": 3,
-    "packed_size": 315703,
+    "loose_count": 13,
+    "packed_size": 333978,
     "reference_backend": "REFERENCE_BACKEND_FILES"
   },
   "objects": {
-    "size": 39651458,
-    "recent_size": 39461265,
-    "stale_size": 190193,
-    "keep_size": 0
+    "size": 2180475409,
+    "recent_size": 2180453999,
+    "stale_size": 21410,
+    "keep_size": 0,
+    "packfile_count": 1,
+    "reverse_index_count": 1,
+    "cruft_count": 0,
+    "keep_count": 0,
+    "loose_objects_count": 36,
+    "stale_loose_objects_count": 36,
+    "loose_objects_garbage_count": 0
   },
-  "updated_at": "2025-02-26T03:42:13.015Z"
+  "commit_graph": {
+    "commit_graph_chain_length": 1,
+    "has_bloom_filters": true,
+    "has_generation_data": true,
+    "has_generation_data_overflow": false
+  },
+  "bitmap": null,
+  "multi_pack_index": {
+    "packfile_count": 1,
+    "version": 1
+  },
+  "multi_pack_index_bitmap": {
+    "has_hash_cache": true,
+    "has_lookup_table": true,
+    "version": 1
+  },
+  "alternates": null,
+  "is_object_pool": false,
+  "last_full_repack": {
+    "seconds": 1745892013,
+    "nanos": 0
+  },
+  "updated_at": "2025-05-14T02:31:08.022Z"
 }
 ```
 
+For a description of each field in the response, see the
+[`RepositoryInfoResponse`](https://gitlab.com/gitlab-org/gitaly/blob/fcb986a6482f82b088488db3ed7ca35adfa42fdc/proto/repository.proto#L444)
+protobuf message.
+
 ## Related topics
 
 - User documentation for [changelogs](../user/project/changelogs.md)
diff --git a/lib/api/entities/repository_health.rb b/lib/api/entities/repository_health.rb
index c3c738a510c719e09f7c40aef979ef11c9528f5c..465dc2eb1364b9b8c544882bb84c4126d20d1071 100644
--- a/lib/api/entities/repository_health.rb
+++ b/lib/api/entities/repository_health.rb
@@ -2,36 +2,93 @@
 
 module API
   module Entities
-    # rubocop:disable Layout/LineLength -- `desc` is too long
     class RepositoryHealth < Grape::Entity
       class References < Grape::Entity
         expose :loose_count,
-          documentation: { type: 'integer', desc: 'Number of loose references in the repository.' }
+          documentation: { type: 'integer' }
         expose :packed_size,
-          documentation: { type: 'integer', desc: 'Size in bytes of packed references in the repository.' }
+          documentation: { type: 'integer' }
         expose :reference_backend,
-          documentation: { type: 'string',
-                           desc: "Type of backend used to store references. Either 'REFERENCE_BACKEND_REFTABLE' or 'REFERENCE_BACKEND_FILES'." }
+          documentation: { type: 'string' }
       end
 
       class Objects < Grape::Entity
         expose :size,
-          documentation: { type: 'integer', desc: 'Size in bytes of all objects in the repository.' }
+          documentation: { type: 'integer' }
         expose :recent_size,
-          documentation: { type: 'integer',
-                           desc: 'Size in bytes of all recent objects in the repository. Recent objects are those which are reachable.' }
+          documentation: { type: 'integer' }
         expose :stale_size,
-          documentation: { type: 'integer',
-                           desc: 'Size in bytes of all stale objects in the repository. Stale objects are those which are unreachable and may be deleted during housekeeping.' }
+          documentation: { type: 'integer' }
         expose :keep_size,
-          documentation: { type: 'integer', desc: 'Size in bytes of all packfiles with the .keep extension.' }
+          documentation: { type: 'integer' }
+        expose :packfile_count,
+          documentation: { type: 'integer' }
+        expose :reverse_index_count,
+          documentation: { type: 'integer' }
+        expose :cruft_count,
+          documentation: { type: 'integer' }
+        expose :keep_count,
+          documentation: { type: 'integer' }
+        expose :loose_objects_count,
+          documentation: { type: 'integer' }
+        expose :stale_loose_objects_count,
+          documentation: { type: 'integer' }
+        expose :loose_objects_garbage_count,
+          documentation: { type: 'integer' }
       end
 
-      expose :size, documentation: { type: 'integer', desc: 'Repository size in bytes.' }
+      class CommitGraph < Grape::Entity
+        expose :commit_graph_chain_length,
+          documentation: { type: 'integer' }
+        expose :has_bloom_filters,
+          documentation: { type: 'boolean' }
+        expose :has_generation_data,
+          documentation: { type: 'boolean' }
+        expose :has_generation_data_overflow,
+          documentation: { type: 'boolean' }
+      end
+
+      class MultiPackIndex < Grape::Entity
+        expose :packfile_count,
+          documentation: { type: 'integer' }
+        expose :version,
+          documentation: { type: 'integer' }
+      end
+
+      class Bitmap < Grape::Entity
+        expose :has_hash_cache,
+          documentation: { type: 'boolean' }
+        expose :has_lookup_table,
+          documentation: { type: 'boolean' }
+        expose :version,
+          documentation: { type: 'integer' }
+      end
+
+      class AlternatesInfo < Grape::Entity
+        expose :object_directories,
+          documentation: { type: 'array', items: { type: 'string' } }
+        expose :last_modified,
+          documentation: { type: 'dateTime', example: '2025-02-24T09:05:50.355Z' }
+      end
+
+      class LastFullRepack < Grape::Entity
+        expose :seconds,
+          documentation: { type: 'integer' }
+        expose :nanos,
+          documentation: { type: 'integer' }
+      end
+
+      expose :size, documentation: { type: 'integer' }
       expose :references, using: References
       expose :objects, using: Objects
+      expose :commit_graph, using: CommitGraph
+      expose :bitmap, using: Bitmap
+      expose :multi_pack_index, using: MultiPackIndex
+      expose :multi_pack_index_bitmap, using: Bitmap
+      expose :alternates, documentation: { type: 'object', example: nil }
+      expose :is_object_pool, documentation: { type: 'boolean' }
+      expose :last_full_repack, using: LastFullRepack
       expose :updated_at, documentation: { type: 'dateTime', example: '2025-02-24T09:05:50.355Z' }
     end
-    # rubocop:enable Layout/LineLength
   end
 end