diff --git a/pkgs/applications/version-management/gitlab/data.json b/pkgs/applications/version-management/gitlab/data.json
index dafea4640cb6..fe0bed84b505 100644
--- a/pkgs/applications/version-management/gitlab/data.json
+++ b/pkgs/applications/version-management/gitlab/data.json
@@ -1,15 +1,15 @@
 {
-  "version": "15.6.0",
-  "repo_hash": "sha256-7Pjksu1l2QfhpYieEGB9coypSt/0iMfptCa69Iaoe3s=",
+  "version": "15.6.1",
+  "repo_hash": "sha256-cdwfljmJvApU2q0pmWSmcMnHkQH4hfN7+cld5oP880g=",
   "yarn_hash": "0lgl8rs9mlrwpzq75rywdbjbiib17wxvzlv1jibnx66iw1ym2rvh",
   "owner": "gitlab-org",
   "repo": "gitlab",
-  "rev": "v15.6.0-ee",
+  "rev": "v15.6.1-ee",
   "passthru": {
-    "GITALY_SERVER_VERSION": "15.6.0",
+    "GITALY_SERVER_VERSION": "15.6.1",
     "GITLAB_PAGES_VERSION": "1.63.0",
     "GITLAB_SHELL_VERSION": "14.13.0",
-    "GITLAB_WORKHORSE_VERSION": "15.6.0"
+    "GITLAB_WORKHORSE_VERSION": "15.6.1"
   },
   "vendored_gems": [
     "bundler-checksum",
diff --git a/pkgs/applications/version-management/gitlab/gitaly/default.nix b/pkgs/applications/version-management/gitlab/gitaly/default.nix
index fcd505482216..14e9344b1854 100644
--- a/pkgs/applications/version-management/gitlab/gitaly/default.nix
+++ b/pkgs/applications/version-management/gitlab/gitaly/default.nix
@@ -11,7 +11,7 @@ let
     gemdir = ./.;
   };
 
-  version = "15.6.0";
+  version = "15.6.1";
   package_version = "v${lib.versions.major version}";
   gitaly_package = "gitlab.com/gitlab-org/gitaly/${package_version}";
 
@@ -22,7 +22,7 @@ let
       owner = "gitlab-org";
       repo = "gitaly";
       rev = "v${version}";
-      sha256 = "sha256-MQFvDSQhmlCz+ox9TFFEd+q2beDUXYVhIyEWWnxn7r0=";
+      sha256 = "sha256-mzX+6kMXqdrxqMaUwN2tG5kJgKSRv0/tNN8ibHqBbzU=";
     };
 
     vendorSha256 = "sha256-SEPfso27PHHpvnQwdeMQYECw/CZIa/NdpMBSTRJEwIo=";
diff --git a/pkgs/applications/version-management/gitlab/gitlab-workhorse/default.nix b/pkgs/applications/version-management/gitlab/gitlab-workhorse/default.nix
index 1dedab8cb071..be226c94f43b 100644
--- a/pkgs/applications/version-management/gitlab/gitlab-workhorse/default.nix
+++ b/pkgs/applications/version-management/gitlab/gitlab-workhorse/default.nix
@@ -5,7 +5,7 @@ in
 buildGoModule rec {
   pname = "gitlab-workhorse";
 
-  version = "15.6.0";
+  version = "15.6.1";
 
   src = fetchFromGitLab {
     owner = data.owner;
diff --git a/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile b/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile
index 57d7e83750fe..cf08454a6496 100644
--- a/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile
+++ b/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile
@@ -500,7 +500,7 @@ gem 'ssh_data', '~> 1.3'
 gem 'spamcheck', '~> 1.0.0'
 
 # Gitaly GRPC protocol definitions
-gem 'gitaly', '~> 15.5.0'
+gem 'gitaly', '~> 15.5.2'
 
 # KAS GRPC protocol definitions
 gem 'kas-grpc', '~> 0.0.2'
diff --git a/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile.lock b/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile.lock
index d75df6327bbd..2174cec05f8a 100644
--- a/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile.lock
+++ b/pkgs/applications/version-management/gitlab/rubyEnv/Gemfile.lock
@@ -554,7 +554,7 @@ GEM
       rails (>= 3.2.0)
     git (1.11.0)
       rchardet (~> 1.8)
-    gitaly (15.5.0)
+    gitaly (15.5.2)
       grpc (~> 1.0)
     gitlab (4.16.1)
       httparty (~> 0.14, >= 0.14.0)
@@ -1663,7 +1663,7 @@ DEPENDENCIES
   gettext (~> 3.3)
   gettext_i18n_rails (~> 1.8.0)
   gettext_i18n_rails_js (~> 1.3)
-  gitaly (~> 15.5.0)
+  gitaly (~> 15.5.2)
   gitlab-chronic (~> 0.10.5)
   gitlab-dangerfiles (~> 3.6.2)
   gitlab-experiment (~> 0.7.1)
diff --git a/pkgs/applications/version-management/gitlab/rubyEnv/gemset.nix b/pkgs/applications/version-management/gitlab/rubyEnv/gemset.nix
index edeb6eeb4d1d..54d4cfb85aab 100644
--- a/pkgs/applications/version-management/gitlab/rubyEnv/gemset.nix
+++ b/pkgs/applications/version-management/gitlab/rubyEnv/gemset.nix
@@ -2018,10 +2018,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0hpgljz05rhik15z081ghxw9pw83vz78p12wjdgxj3qz1a4x8pfq";
+      sha256 = "10bq1l9445b9ff921kyayrn5w1b0f7qm1sjia3wmnl54jq2vxfk2";
       type = "gem";
     };
-    version = "15.5.0";
+    version = "15.5.2";
   };
   gitlab = {
     dependencies = ["httparty" "terminal-table"];