diff --git a/client/transport.go b/client/transport.go
index 900c6ed1a1f6e134af01abb55fe29e6f5463eaf1..b5fc6b6df4e0c5ad76340501a7dd6639140dc22c 100644
--- a/client/transport.go
+++ b/client/transport.go
@@ -2,12 +2,14 @@
 package client
 
 import (
+	"log/slog"
 	"net/http"
 	"time"
 
 	"gitlab.com/gitlab-org/labkit/correlation"
-	"gitlab.com/gitlab-org/labkit/log"
 	"gitlab.com/gitlab-org/labkit/tracing"
+	"gitlab.com/gitlab-org/labkit/v2/log"
+	"gitlab.com/gitlab-org/labkit/v2/meta"
 )
 
 type transport struct {
@@ -17,6 +19,9 @@ type transport struct {
 // RoundTrip executes a single HTTP transaction, adding logging and tracing capabilities.
 func (rt *transport) RoundTrip(request *http.Request) (*http.Response, error) {
 	ctx := request.Context()
+	correlationID := correlation.ExtractFromContext(ctx)
+	ctx = meta.WithCorrelationID(ctx, correlationID)
+	logger := log.ContextLogger(ctx)
 
 	originalRemoteIP, ok := ctx.Value(OriginalRemoteIPContextKey{}).(string)
 	if ok {
@@ -29,31 +34,27 @@ func (rt *transport) RoundTrip(request *http.Request) (*http.Response, error) {
 
 	response, err := rt.next.RoundTrip(request)
 
-	fields := log.Fields{
-		"method":      request.Method,
-		"url":         request.URL.String(),
-		"duration_ms": time.Since(start) / time.Millisecond,
-	}
-	logger := log.WithContextFields(ctx, fields)
+	logger = logger.With(ctx,
+		slog.String("method", request.Method),
+		slog.String("url", request.URL.String()),
+		slog.Any("duration_ms", time.Since(start)/time.Millisecond),
+	)
 
 	if err != nil {
-		logger.WithError(err).Error("Internal API unreachable")
+		logger.Error("Internal API unreachable", slog.String("error_message", err.Error()))
 		return response, err
 	}
 
-	logger = logger.WithField("status", response.StatusCode)
-
+	logger = logger.With(
+		slog.Int("status", response.StatusCode),
+		slog.Int("content_length_bytes", int(response.ContentLength)),
+	)
 	if response.StatusCode >= 400 {
-		logger.WithError(err).Error("Internal API error")
+		logger.Error("Internal API unreachable", slog.String("error_message", err.Error()))
 		return response, err
 	}
 
-	if response.ContentLength >= 0 {
-		logger = logger.WithField("content_length_bytes", response.ContentLength)
-	}
-
 	logger.Info("Finished HTTP request")
-
 	return response, nil
 }
 
diff --git a/go.mod b/go.mod
index 005c18a95c5c09eb65ad21939c98955b2f5e081e..e651d90391db4f7d58814307c881d099f2e44f64 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ require (
 	// Please do not override. Once v16.11.1 is released, this comment
 	// can be removed.
 	gitlab.com/gitlab-org/gitaly/v16 v16.11.0-rc1.0.20250408053233-c6d43513e93c
-	gitlab.com/gitlab-org/labkit v1.27.1
+	gitlab.com/gitlab-org/labkit v1.32.1-0.20251125141554-84ae5e332213
 	golang.org/x/crypto v0.41.0
 	golang.org/x/sync v0.16.0
 	google.golang.org/grpc v1.72.0
@@ -65,7 +65,7 @@ require (
 	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
 	github.com/googleapis/gax-go/v2 v2.13.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.1 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/yamux v0.1.2-0.20220728231024-8f49b6f63f18 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
diff --git a/go.sum b/go.sum
index f068899fdf5a11306875f61d2d3ea100ce003b80..15b032f6ac6303ae9c003250f876e90bedf47766 100644
--- a/go.sum
+++ b/go.sum
@@ -350,6 +350,8 @@ github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 h1:UH//fgunKIs4JdUbpDl1VZCDa
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0/go.mod h1:g5qyo/la0ALbONm6Vbp88Yd8NsDy6rZz+RcrMPxvld8=
 github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.1 h1:KcFzXwzM/kGhIRHvc8jdixfIJjVzuUJdnv+5xsPutog=
 github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.1/go.mod h1:qOchhhIlmRcqk/O9uCo/puJlyo07YINaIqdZfZG3Jkc=
+github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 h1:sGm2vDRFUrQJO/Veii4h4zG2vvqG6uWNkBHSTqXOZk0=
+github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2/go.mod h1:wd1YpapPLivG6nQgbf7ZkG1hhSOXDhhn4MLTknx2aAc=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
@@ -556,6 +558,8 @@ gitlab.com/gitlab-org/go/reopen v1.0.0 h1:6BujZ0lkkjGIejTUJdNO1w56mN1SI10qcVQyQl
 gitlab.com/gitlab-org/go/reopen v1.0.0/go.mod h1:D6OID8YJDzEVZNYW02R/Pkj0v8gYFSIhXFTArAsBQw8=
 gitlab.com/gitlab-org/labkit v1.27.1 h1:c4gL4qfHPMZwetbFZO5HDam98MOS1Ul/CC8QTPon5/c=
 gitlab.com/gitlab-org/labkit v1.27.1/go.mod h1:ZHOQIOVQKeOEKvQ/GhGBjUNbV3zWsx8nty6D/SRCyd4=
+gitlab.com/gitlab-org/labkit v1.32.1-0.20251125141554-84ae5e332213 h1:OklZVT0RxBsAUuCG8h5Bz3u3m21pKwf7RvZElW4sYtI=
+gitlab.com/gitlab-org/labkit v1.32.1-0.20251125141554-84ae5e332213/go.mod h1:JqQLdgjV/KKAZJ6gvNodaLStmWeTT9mxgJPIEi66VHI=
 go.etcd.io/raft/v3 v3.6.0 h1:5NtvbDVYpnfZWcIHgGRk9DyzkBIXOi8j+DDp1IcnUWQ=
 go.etcd.io/raft/v3 v3.6.0/go.mod h1:nLvLevg6+xrVtHUmVaTcTz603gQPHfh7kUAwV6YpfGo=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=