diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 9ad6f90..78afa43 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -22,7 +22,7 @@ jobs:
       id: go
 
     - name: Lint
-      uses: golangci/golangci-lint-action@v4
+      uses: golangci/golangci-lint-action@v6
       with:
         args: -p bugs -p unused -D protogetter --timeout=3m
 
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index f71a376..05585fe 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -34,7 +34,7 @@ jobs:
       id: go
 
     - name: Lint
-      uses: golangci/golangci-lint-action@v4
+      uses: golangci/golangci-lint-action@v6
       with:
         args: -p bugs -p unused -D protogetter --timeout=3m
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index a7b97c0..a3b78a5 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -22,7 +22,7 @@ jobs:
       id: go
 
     - name: Lint
-      uses: golangci/golangci-lint-action@v4
+      uses: golangci/golangci-lint-action@v6
       with:
         args: -p bugs -p unused -D protogetter --timeout=3m
 
diff --git a/Dockerfile b/Dockerfile
index 4dcddb0..44de7c3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ COPY / /work
 WORKDIR /work
 RUN make server
 
-FROM alpine:3.19
+FROM alpine:3.20
 COPY --from=builder /work/bin/server /server
 ENV SERVER_PORT=50051
 EXPOSE ${SERVER_PORT}
diff --git a/api/proto/droptailer.pb.go b/api/proto/droptailer.pb.go
index f93ce76..eab3cdc 100644
--- a/api/proto/droptailer.pb.go
+++ b/api/proto/droptailer.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.31.0
+// 	protoc-gen-go v1.34.1
 // 	protoc        (unknown)
 // source: proto/droptailer.proto
 
diff --git a/go.mod b/go.mod
index 52a3951..be2fd6f 100644
--- a/go.mod
+++ b/go.mod
@@ -5,13 +5,13 @@ go 1.22
 require (
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
-	google.golang.org/grpc v1.63.2
-	google.golang.org/protobuf v1.33.0
+	google.golang.org/grpc v1.64.0
+	google.golang.org/protobuf v1.34.1
 )
 
 require (
-	golang.org/x/net v0.24.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 // indirect
 )
diff --git a/go.sum b/go.sum
index 5e22141..e5f1a61 100644
--- a/go.sum
+++ b/go.sum
@@ -73,10 +73,8 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
-golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
-golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
+golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
+golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -89,14 +87,12 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -115,19 +111,17 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda h1:LI5DOvAxUPMv/50agcLLoo+AdWc1irS9Rzz4vPuD1V4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240401170217-c3f982113cda/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 h1:1GBuWVLM/KMVUv1t1En5Gs+gFZCNd360GGb4sSxtrhU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
-google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
+google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
+google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/pkg/client/client.go b/pkg/client/client.go
index 67bd592..b2cb649 100644
--- a/pkg/client/client.go
+++ b/pkg/client/client.go
@@ -63,7 +63,7 @@ func (c Client) Start() error {
 	opts := []grpc_retry.CallOption{
 		grpc_retry.WithBackoff(grpc_retry.BackoffLinear(100 * time.Millisecond)),
 	}
-	conn, err := grpc.Dial(c.ServerAddress, grpc.WithTransportCredentials(creds),
+	conn, err := grpc.NewClient(c.ServerAddress, grpc.WithTransportCredentials(creds),
 		// grpc.WithStreamInterceptor(grpc_retry.StreamClientInterceptor(opts...)),
 		grpc.WithUnaryInterceptor(grpc_retry.UnaryClientInterceptor(opts...)),
 	)
diff --git a/proto/Makefile b/proto/Makefile
index e504f72..2a25041 100644
--- a/proto/Makefile
+++ b/proto/Makefile
@@ -1,5 +1,5 @@
 MAKEFLAGS += --no-print-directory
-BUF_VERSION := 1.26.1
+BUF_VERSION := 1.32.2
 
 _buf:
 	docker run --rm \
@@ -11,7 +11,7 @@ _buf:
 
 .PHONY: protolint
 protolint:
-	@$(MAKE)	_buf	CMD="format -w proto"
+	@$(MAKE)	_buf	CMD="format -w"
 	@$(MAKE)	_buf	CMD="lint -v"
 
 .PHONY: protoc
diff --git a/proto/buf.gen.yaml b/proto/buf.gen.yaml
index 4c47b49..22eb00a 100644
--- a/proto/buf.gen.yaml
+++ b/proto/buf.gen.yaml
@@ -1,14 +1,13 @@
-version: v1
+version: v2
 managed:
   enabled: true
-  go_package_prefix:
-    default: github.com/metal-stack/droptailer/api
+  override:
+    - file_option: go_package_prefix
+      value: github.com/metal-stack/droptailer/api
 plugins:
-  # generate go structs for protocol buffer definition
-  - plugin: buf.build/protocolbuffers/go:v1.31.0
+  - remote: buf.build/protocolbuffers/go:v1.34.1
     out: ../api
     opt: paths=source_relative
-  - plugin: buf.build/grpc/go:v1.3.0
+  - remote: buf.build/grpc/go:v1.3.0
     out: ../api
     opt: paths=source_relative,require_unimplemented_servers=false
-
diff --git a/proto/buf.yaml b/proto/buf.yaml
index d4ff52d..bfde40c 100644
--- a/proto/buf.yaml
+++ b/proto/buf.yaml
@@ -1,7 +1,14 @@
-version: v1
-breaking:
-  use:
-    - FILE
+version: v2
 lint:
   use:
     - BASIC
+  except:
+    - FIELD_NOT_REQUIRED
+    - PACKAGE_NO_IMPORT_CYCLE
+  disallow_comment_ignores: true
+breaking:
+  use:
+    - FILE
+  except:
+    - EXTENSION_NO_DELETE
+    - FIELD_SAME_DEFAULT