diff --git a/go.mod b/go.mod
index 180f433e3..6b54072a2 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	github.com/hashicorp/hcl/v2 v2.24.0
 	github.com/in-toto/in-toto-golang v0.11.0
 	github.com/mitchellh/hashstructure/v2 v2.0.2
-	github.com/moby/buildkit v0.30.0-rc2
+	github.com/moby/buildkit v0.30.0
 	github.com/moby/go-archive v0.2.0
 	github.com/moby/moby/api v1.54.2
 	github.com/moby/moby/client v0.4.1
diff --git a/go.sum b/go.sum
index 66b45a810..16e11328b 100644
--- a/go.sum
+++ b/go.sum
@@ -419,8 +419,8 @@ github.com/mitchellh/hashstructure/v2 v2.0.2 h1:vGKWl0YJqUNxE8d+h8f6NJLcCJrgbhC4
 github.com/mitchellh/hashstructure/v2 v2.0.2/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/zz4kQkprJgF2EVszyDE=
 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 v0.30.0-rc2 h1:tmMhOC1MK0TUpA6w4lWF5d4GxjSNixVyG8Oe7kdW8As=
-github.com/moby/buildkit v0.30.0-rc2/go.mod h1:k2wuw5ddaOqzh58RLt+mBn2XhK34gi6+gd0faONQ1xU=
+github.com/moby/buildkit v0.30.0 h1:OsK8T3BaYH52UNStpKd7gytDtHWWt2Fawak/lAPWatU=
+github.com/moby/buildkit v0.30.0/go.mod h1:k2wuw5ddaOqzh58RLt+mBn2XhK34gi6+gd0faONQ1xU=
 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/go-archive v0.2.0 h1:zg5QDUM2mi0JIM9fdQZWC7U8+2ZfixfTYoHL7rWUcP8=
diff --git a/vendor/github.com/moby/buildkit/util/testutil/workers/dockerd.go b/vendor/github.com/moby/buildkit/util/testutil/workers/dockerd.go
index 1d4dd1053..79a48eeb0 100644
--- a/vendor/github.com/moby/buildkit/util/testutil/workers/dockerd.go
+++ b/vendor/github.com/moby/buildkit/util/testutil/workers/dockerd.go
@@ -33,6 +33,7 @@ func InitDockerdWorker() {
 			FeatureCacheBackendS3,
 			FeatureDirectPush,
 			FeatureImageExporter,
+			FeatureMergeDiff,
 			FeatureMultiCacheExport,
 			FeatureMultiPlatform,
 			FeatureOCIExporter,
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 69c75c426..220a80466 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -648,7 +648,7 @@ github.com/mitchellh/go-wordwrap
 # github.com/mitchellh/hashstructure/v2 v2.0.2
 ## explicit; go 1.14
 github.com/mitchellh/hashstructure/v2
-# github.com/moby/buildkit v0.30.0-rc2
+# github.com/moby/buildkit v0.30.0
 ## explicit; go 1.25.5
 github.com/moby/buildkit/api/services/control
 github.com/moby/buildkit/api/types