diff --git a/include/connection.h b/include/connection.h
index 0fc90f623cf0895ce6e4aeaf237ff5b2ff861dc2..a6046c8364e14e112a24990e8148d00287417b4a 100644
--- a/include/connection.h
+++ b/include/connection.h
@@ -36,7 +36,6 @@
 #include <grpcpp/create_channel.h>
 #include <grpcpp/security/credentials.h>
 
-
 namespace caosdb {
 using caosdb::info::v1alpha1::GeneralInfoService;
 using caosdb::info::v1alpha1::VersionInfo;
@@ -47,15 +46,16 @@ using caosdb::info::v1alpha1::VersionInfo;
 class CaosDBConnectionConfig {
   std::string host;
   int port;
-  public:
-    CaosDBConnectionConfig(const std::string &host, int port);
-    friend auto operator << (std::ostream &out, const CaosDBConnectionConfig &config) -> std::ostream &;
 
-    [[nodiscard]]
-    auto getHost() -> std::string;
+public:
+  CaosDBConnectionConfig(const std::string &host, int port);
+  friend auto operator<<(std::ostream &out,
+                         const CaosDBConnectionConfig &config)
+    -> std::ostream &;
+
+  [[nodiscard]] auto getHost() -> std::string;
 
-    [[nodiscard]]
-    auto getPort() const -> int;
+  [[nodiscard]] auto getPort() const -> int;
 };
 
 /**
@@ -64,12 +64,13 @@ class CaosDBConnectionConfig {
 class CaosDBConnection {
   CaosDBConnectionConfig config;
   std::unique_ptr<GeneralInfoService::Stub> stub_;
-  public:
-    explicit CaosDBConnection(const CaosDBConnectionConfig &config);
-    friend auto operator << (std::ostream &out, const CaosDBConnection &connection) -> std::ostream &;
-    auto getGeneralInfoService() -> GeneralInfoService::Stub &;
-    [[nodiscard]]
-    auto getVersionInfo() const -> const VersionInfo &;
+
+public:
+  explicit CaosDBConnection(const CaosDBConnectionConfig &config);
+  friend auto operator<<(std::ostream &out, const CaosDBConnection &connection)
+    -> std::ostream &;
+  auto getGeneralInfoService() -> GeneralInfoService::Stub &;
+  [[nodiscard]] auto getVersionInfo() const -> const VersionInfo &;
 };
 } // namespace caosdb
 #endif
diff --git a/src/caosdbcli.cpp b/src/caosdbcli.cpp
index daa744da6655d3671954e6fd1e8b761034637e21..fd591a2d1fe58841a24ebceb12d06466d214d831 100644
--- a/src/caosdbcli.cpp
+++ b/src/caosdbcli.cpp
@@ -41,7 +41,8 @@ auto main() -> int {
   caosdb::CaosDBConnectionConfig config(host, port);
   caosdb::CaosDBConnection connection(config);
   std::cout << std::endl << connection << std::endl;
-  const caosdb::info::v1alpha1::VersionInfo &v_info = connection.getVersionInfo();
+  const caosdb::info::v1alpha1::VersionInfo &v_info =
+    connection.getVersionInfo();
   std::cout << "VersionInfo(" << v_info.major() << ")" << std::endl;
   return 0;
 }
diff --git a/src/connection.cpp b/src/connection.cpp
index 9b32b1722870900e4d9a04741681a35bce46f1fd..580a6ad6393accfcba945513dff28e4dc3d5b22a 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -28,35 +28,38 @@
 
 namespace caosdb {
 using caosdb::info::v1alpha1::GeneralInfoService;
-using caosdb::info::v1alpha1::VersionInfo;
 using caosdb::info::v1alpha1::GetVersionInfoRequest;
 using caosdb::info::v1alpha1::GetVersionInfoResponse;
+using caosdb::info::v1alpha1::VersionInfo;
 
-CaosDBConnectionConfig::CaosDBConnectionConfig(const std::string &host, int port) {
-    this->host = host;
-    this->port = port;
+CaosDBConnectionConfig::CaosDBConnectionConfig(const std::string &host,
+                                               int port) {
+  this->host = host;
+  this->port = port;
 }
 
-auto CaosDBConnectionConfig::getHost() -> std::string {
-  return this->host;
-}
+auto CaosDBConnectionConfig::getHost() -> std::string { return this->host; }
 
-auto CaosDBConnectionConfig::getPort() const -> int {
-  return this->port;
-}
+auto CaosDBConnectionConfig::getPort() const -> int { return this->port; }
 
-auto operator << (std::ostream &out, const CaosDBConnectionConfig &config) -> std::ostream & {
-  out << "CaosDBConnectionConfig(\"" << config.host << "\"," << config.port << ")";
+auto operator<<(std::ostream &out, const CaosDBConnectionConfig &config)
+  -> std::ostream & {
+  out << "CaosDBConnectionConfig(\"" << config.host << "\"," << config.port
+      << ")";
   return out;
 }
 
-CaosDBConnection::CaosDBConnection(const CaosDBConnectionConfig &config) : config(config) {
+CaosDBConnection::CaosDBConnection(const CaosDBConnectionConfig &config)
+  : config(config) {
   this->config = config;
-  std::shared_ptr<grpc::Channel> channel = grpc::CreateChannel(this->config.getHost() + ":" + std::to_string(this->config.getPort()), grpc::InsecureChannelCredentials());
+  std::shared_ptr<grpc::Channel> channel = grpc::CreateChannel(
+    this->config.getHost() + ":" + std::to_string(this->config.getPort()),
+    grpc::InsecureChannelCredentials());
   this->stub_ = GeneralInfoService::NewStub(channel);
 }
 
-auto operator << (std::ostream &out, const CaosDBConnection &connection) -> std::ostream & {
+auto operator<<(std::ostream &out, const CaosDBConnection &connection)
+  -> std::ostream & {
   out << "CaosDBConnection(" << connection.config << ")";
   return out;
 }
@@ -65,14 +68,15 @@ auto CaosDBConnection::getGeneralInfoService() -> GeneralInfoService::Stub & {
   return *stub_;
 }
 
-[[nodiscard]]
-auto CaosDBConnection::getVersionInfo() const -> const VersionInfo & {
+[[nodiscard]] auto CaosDBConnection::getVersionInfo() const
+  -> const VersionInfo & {
   const GetVersionInfoRequest request;
   GetVersionInfoResponse response;
   grpc::ClientContext context;
-  const grpc::Status status = stub_->GetVersionInfo(&context, request, &response);
+  const grpc::Status status =
+    stub_->GetVersionInfo(&context, request, &response);
 
-  if(!status.ok()) {
+  if (!status.ok()) {
     throw std::runtime_error(status.error_message());
   }
   return response.version_info();