diff --git a/go.mod b/go.mod
index d29a7d55..60399e2f 100644
--- a/go.mod
+++ b/go.mod
@@ -28,7 +28,7 @@ require (
 	github.com/hashicorp/hcl/v2 v2.23.0
 	github.com/in-toto/in-toto-golang v0.5.0
 	github.com/mitchellh/hashstructure/v2 v2.0.2
-	github.com/moby/buildkit v0.19.0-rc1
+	github.com/moby/buildkit v0.19.0-rc2
 	github.com/moby/sys/mountinfo v0.7.2
 	github.com/moby/sys/signal v0.7.1
 	github.com/morikuni/aec v1.0.0
diff --git a/go.sum b/go.sum
index 408e9597..d4ac7b13 100644
--- a/go.sum
+++ b/go.sum
@@ -298,8 +298,8 @@ github.com/mitchellh/hashstructure/v2 v2.0.2/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/z
 github.com/mitchellh/mapstructure v0.0.0-20150613213606-2caf8efc9366/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
-github.com/moby/buildkit v0.19.0-rc1 h1:DoGzmsYAsZjZRhA8u3Rits+2i1Lo5Y/UcIXFuA2n1qw=
-github.com/moby/buildkit v0.19.0-rc1/go.mod h1:4WYJLet/NI2p1o2rPQ6CIFpyyyvwvPz/TVISmwqqpHI=
+github.com/moby/buildkit v0.19.0-rc2 h1:7sAuQ5bDNIbdfmc7UDbrWJ2UPOR5w9rNWgnrEoC5aoo=
+github.com/moby/buildkit v0.19.0-rc2/go.mod h1:4WYJLet/NI2p1o2rPQ6CIFpyyyvwvPz/TVISmwqqpHI=
 github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0=
 github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo=
 github.com/moby/locker v1.0.1 h1:fOXqR41zeveg4fFODix+1Ch4mj/gT0NE1XJbp/epuBg=
diff --git a/vendor/github.com/moby/buildkit/util/testutil/workers/util.go b/vendor/github.com/moby/buildkit/util/testutil/workers/util.go
index 3804e9aa..02158965 100644
--- a/vendor/github.com/moby/buildkit/util/testutil/workers/util.go
+++ b/vendor/github.com/moby/buildkit/util/testutil/workers/util.go
@@ -73,12 +73,13 @@ func runBuildkitd(
 	address := getBuildkitdAddr(tmpdir)
 	debugAddress := getBuildkitdDebugAddr(tmpdir)
 
-	args = append(args, "--root", tmpdir, "--addr", address, "--debugaddr", debugAddress, "--debug")
+	args = append(args, "--root", tmpdir, "--addr", address, "--debug")
 	cmd := exec.Command(args[0], args[1:]...) //nolint:gosec // test utility
 	cmd.Env = append(
 		os.Environ(),
 		"BUILDKIT_DEBUG_EXEC_OUTPUT=1",
 		"BUILDKIT_DEBUG_PANIC_ON_ERROR=1",
+		"BUILDKITD_DEBUGADDR="+debugAddress,
 		"TMPDIR="+filepath.Join(tmpdir, "tmp"))
 	if v := os.Getenv("GO_TEST_COVERPROFILE"); v != "" {
 		coverDir := filepath.Join(filepath.Dir(v), "helpers")
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 41f1b0c7..f7c7a68c 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -493,7 +493,7 @@ github.com/mitchellh/go-wordwrap
 github.com/mitchellh/hashstructure/v2
 # github.com/mitchellh/mapstructure v1.5.0
 ## explicit; go 1.14
-# github.com/moby/buildkit v0.19.0-rc1
+# github.com/moby/buildkit v0.19.0-rc2
 ## explicit; go 1.22.0
 github.com/moby/buildkit/api/services/control
 github.com/moby/buildkit/api/types