Update BuildKit from v0.26.3 to v0.28.1

Copilot · AkihiroSuda · Copilot · commit 495bc49cdcac · 2026-03-25T16:46:55.000Z
Co-authored-by: AkihiroSuda <9248427+AkihiroSuda@users.noreply.github.com> Agent-Logs-Url: https://github.com/containerd/nerdctl/sessions/1459a110-b5c6-4d53-92ad-4c3e6ec5bc5b
diff --git a/Dockerfile b/Dockerfile
@@ -22,7 +22,7 @@ ARG RUNC_VERSION=v1.4.0@8bd78a9977e604c4d5f67a7415d7b8b8c109cdc4
 ARG CNI_PLUGINS_VERSION=v1.9.0@BINARY
 
 # Extra deps: Build
-ARG BUILDKIT_VERSION=v0.26.3@BINARY
+ARG BUILDKIT_VERSION=v0.28.1@BINARY
 # Extra deps: Lazy-pulling
 ARG STARGZ_SNAPSHOTTER_VERSION=v0.18.1@BINARY
 # Extra deps: Encryption
diff --git a/Dockerfile.d/SHA256SUMS.d/buildkit-v0.26.3 b/Dockerfile.d/SHA256SUMS.d/buildkit-v0.26.3
diff --git a/Dockerfile.d/SHA256SUMS.d/buildkit-v0.28.1 b/Dockerfile.d/SHA256SUMS.d/buildkit-v0.28.1
@@ -0,0 +1,2 @@
+2e84057b941488c54575aee57015681f08c71042bd20c739b23879dfad3f2449  buildkit-v0.28.1.linux-amd64.tar.gz
+40caf32b10cb0766f7440a53fea9cfe15c8116d64f9365c53ff417958a136332  buildkit-v0.28.1.linux-arm64.tar.gz

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+2e84057b941488c54575aee57015681f08c71042bd20c739b23879dfad3f2449 buildkit-v0.28.1.linux-amd64.tar.gz`
	`2`	`+40caf32b10cb0766f7440a53fea9cfe15c8116d64f9365c53ff417958a136332 buildkit-v0.28.1.linux-arm64.tar.gz`