diff --git a/_vendor/github.com/moby/buildkit/frontend/dockerfile/docs/reference.md b/_vendor/github.com/moby/buildkit/frontend/dockerfile/docs/reference.md
index 507751da25..a5749ca533 100644
--- a/_vendor/github.com/moby/buildkit/frontend/dockerfile/docs/reference.md
+++ b/_vendor/github.com/moby/buildkit/frontend/dockerfile/docs/reference.md
@@ -192,11 +192,6 @@ following lines are all treated identically:
 #	  dIrEcTiVe=value
 ```
 
-The following parser directives are supported:
-
-- `syntax`
-- `escape`
-
 ### syntax
 
 <a name="external-implementation-features"><!-- included for deep-links to old section --></a>
@@ -2221,7 +2216,8 @@ Keep the following things in mind about volumes in the Dockerfile.
   - a drive other than `C:`
 
 - **Changing the volume from within the Dockerfile**: If any build steps change the
-  data within the volume after it has been declared, those changes will be discarded.
+  data within the volume after it has been declared, those changes will be discarded
+  when using the legacy builder. When using Buildkit, the changes will instead be kept.
 
 - **JSON formatting**: The list is parsed as a JSON array.
   You must enclose words with double quotes (`"`) rather than single quotes (`'`).
diff --git a/go.mod b/go.mod
index f9de4c14b4..491345ccc8 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,6 @@ replace (
 	github.com/docker/cli => github.com/docker/cli v27.3.2-0.20241107125754-eb986ae71b0c+incompatible
 	github.com/docker/compose/v2 => github.com/docker/compose/v2 v2.30.3
 	github.com/docker/scout-cli => github.com/docker/scout-cli v1.15.0
-	github.com/moby/buildkit => github.com/moby/buildkit v0.17.1-0.20241031124041-354f2d13c905
+	github.com/moby/buildkit => github.com/moby/buildkit v0.18.0
 	github.com/moby/moby => github.com/moby/moby v27.3.1+incompatible
 )
diff --git a/go.sum b/go.sum
index 5c9dc65e8a..9fcba6476b 100644
--- a/go.sum
+++ b/go.sum
@@ -316,6 +316,8 @@ github.com/moby/buildkit v0.17.0 h1:ZA/4AxwBbve1f3ZaNNJQiCBtTV62R6YweWNwq4A+sTc=
 github.com/moby/buildkit v0.17.0/go.mod h1:ru8NFyDHD8HbuKaLXJIjK9nr3x6FZR+IWjtF07S+wdM=
 github.com/moby/buildkit v0.17.1-0.20241031124041-354f2d13c905 h1:KMEmQThIQYXKvBurcvM+6zZjxP2CoNSsF/wUpW+RC/E=
 github.com/moby/buildkit v0.17.1-0.20241031124041-354f2d13c905/go.mod h1:ru8NFyDHD8HbuKaLXJIjK9nr3x6FZR+IWjtF07S+wdM=
+github.com/moby/buildkit v0.18.0 h1:KSelhNINJcNA3FCWBbGCytvicjP+kjU5kZlZhkTUkVo=
+github.com/moby/buildkit v0.18.0/go.mod h1:vCR5CX8NGsPTthTg681+9kdmfvkvqJBXEv71GZe5msU=
 github.com/moby/locker v1.0.1/go.mod h1:S7SDdo5zpBK84bzzVlKr2V0hz+7x9hWbYC/kq7oQppc=
 github.com/moby/moby v24.0.2+incompatible h1:yH+5dRHH1x3XRKzl1THA2aGTy6CHYnkt5N924ADMax8=
 github.com/moby/moby v24.0.2+incompatible/go.mod h1:fDXVQ6+S340veQPv35CzDahGBmHsiclFwfEygB/TWMc=