diff --git a/GITALY_SERVER_VERSION b/GITALY_SERVER_VERSION
index 50aceaa7b71..0a3db35b241 100644
--- a/GITALY_SERVER_VERSION
+++ b/GITALY_SERVER_VERSION
@@ -1 +1 @@
-1.45.0
+1.46.0
diff --git a/Gemfile b/Gemfile
index 55e1bd58a38..195d06502a4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -426,7 +426,7 @@ group :ed25519 do
 end
 
 # Gitaly GRPC client
-gem 'gitaly-proto', '~> 1.27.0', require: 'gitaly'
+gem 'gitaly-proto', '~> 1.32.0', require: 'gitaly'
 
 gem 'grpc', '~> 1.19.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3b37cec3b7f..11e71cfb80e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -298,7 +298,7 @@ GEM
       gettext_i18n_rails (>= 0.7.1)
       po_to_json (>= 1.0.0)
       rails (>= 3.2.0)
-    gitaly-proto (1.27.0)
+    gitaly-proto (1.32.0)
       grpc (~> 1.0)
     github-markup (1.7.0)
     gitlab-default_value_for (3.1.1)
@@ -1087,7 +1087,7 @@ DEPENDENCIES
   gettext (~> 3.2.2)
   gettext_i18n_rails (~> 1.8.0)
   gettext_i18n_rails_js (~> 1.3)
-  gitaly-proto (~> 1.27.0)
+  gitaly-proto (~> 1.32.0)
   github-markup (~> 1.7.0)
   gitlab-default_value_for (~> 3.1.1)
   gitlab-labkit (~> 0.2.0)
diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index dcdd3581d92..8a2e711ec4e 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -282,6 +282,11 @@ module Gitlab
         (size.to_f / 1024).round(2)
       end
 
+      # Return git object directory size in bytes
+      def object_directory_size
+        gitaly_repository_client.get_object_directory_size.to_f * 1024
+      end
+
       # Build an array of commits.
       #
       # Usage.
diff --git a/lib/gitlab/gitaly_client/repository_service.rb b/lib/gitlab/gitaly_client/repository_service.rb
index 68b17e86608..d8e9dccb644 100644
--- a/lib/gitlab/gitaly_client/repository_service.rb
+++ b/lib/gitlab/gitaly_client/repository_service.rb
@@ -47,6 +47,13 @@ module Gitlab
         response.size
       end
 
+      def get_object_directory_size
+        request = Gitaly::GetObjectDirectorySizeRequest.new(repository: @gitaly_repo)
+        response = GitalyClient.call(@storage, :repository_service, :get_object_directory_size, request, timeout: GitalyClient.medium_timeout)
+
+        response.size
+      end
+
       def apply_gitattributes(revision)
         request = Gitaly::ApplyGitattributesRequest.new(repository: @gitaly_repo, revision: encode_binary(revision))
         GitalyClient.call(@storage, :repository_service, :apply_gitattributes, request, timeout: GitalyClient.fast_timeout)
diff --git a/spec/lib/gitlab/git/repository_spec.rb b/spec/lib/gitlab/git/repository_spec.rb
index cb4701e8edc..e72fb9c6fbc 100644
--- a/spec/lib/gitlab/git/repository_spec.rb
+++ b/spec/lib/gitlab/git/repository_spec.rb
@@ -186,6 +186,18 @@ describe Gitlab::Git::Repository, :seed_helper do
     it { is_expected.to be < 2 }
   end
 
+  describe '#object_directory_size' do
+    before do
+      allow(repository.gitaly_repository_client)
+        .to receive(:get_object_directory_size)
+        .and_return(2)
+    end
+
+    subject { repository.object_directory_size }
+
+    it { is_expected.to eq 2048 }
+  end
+
   describe '#empty?' do
     it { expect(repository).not_to be_empty }
   end
diff --git a/spec/lib/gitlab/gitaly_client/repository_service_spec.rb b/spec/lib/gitlab/gitaly_client/repository_service_spec.rb
index 09de7ca6afd..a3808adb376 100644
--- a/spec/lib/gitlab/gitaly_client/repository_service_spec.rb
+++ b/spec/lib/gitlab/gitaly_client/repository_service_spec.rb
@@ -73,6 +73,17 @@ describe Gitlab::GitalyClient::RepositoryService do
     end
   end
 
+  describe '#get_object_directory_size' do
+    it 'sends a get_object_directory_size message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:get_object_directory_size)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(size: 0)
+
+      client.get_object_directory_size
+    end
+  end
+
   describe '#apply_gitattributes' do
     let(:revision) { 'master' }