diff --git a/go.mod b/go.mod
index e5e1b839a9a..16d33dadf12 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/opencontainers/image-spec v1.0.3-0.20220114050600-8b9d41f48198
 	github.com/pkg/errors v0.9.1
-	github.com/tektoncd/plumbing v0.0.0-20220728121531-8a725746af4f
+	github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb
 	go.opencensus.io v0.23.0
 	go.uber.org/zap v1.21.0
 	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b
diff --git a/go.sum b/go.sum
index 6b387612988..0d5f1331bf6 100644
--- a/go.sum
+++ b/go.sum
@@ -1317,8 +1317,9 @@ github.com/tdakkota/asciicheck v0.0.0-20200416200610-e657995f937b/go.mod h1:yHp0
 github.com/tektoncd/ahmetb-gen-crd-api-reference-docs v0.3.1-0.20220729140133-6ce2d5aafcb4 h1:E5MV/fepEo6WUfYi+rE5y4oL5BUncZmO7e1FJm7F+sI=
 github.com/tektoncd/ahmetb-gen-crd-api-reference-docs v0.3.1-0.20220729140133-6ce2d5aafcb4/go.mod h1:lQON0TD5PnAUl7Q6H5FNV+/AqCSeltYf72OGIkegB/o=
 github.com/tektoncd/plumbing v0.0.0-20220304154415-13228ac1f4a4/go.mod h1:b9esRuV1absBvaPzKkjYdKXjC5Tgs8/vh1sz++RiTdc=
-github.com/tektoncd/plumbing v0.0.0-20220728121531-8a725746af4f h1:0yfTcfbYoWluJ7jj3ldBeNdahE7pIAXqTioQpAe3EGo=
 github.com/tektoncd/plumbing v0.0.0-20220728121531-8a725746af4f/go.mod h1:uJBaI0AL/kjPThiMYZcWRujEz7D401v643d6s/21GAg=
+github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb h1:LUUCR8pLF+MzdQ7kOQQrMzDahIPZLdPCzfnNow1Um3Y=
+github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb/go.mod h1:uJBaI0AL/kjPThiMYZcWRujEz7D401v643d6s/21GAg=
 github.com/tektoncd/resolution v0.0.0-20220331203013-e4203c70c5eb h1:bSrsnmoOJJh1JorlaTDSusq/eIBnk5zRKAVXOhnJyD8=
 github.com/tektoncd/resolution v0.0.0-20220331203013-e4203c70c5eb/go.mod h1:u7+LospaKMTW8f1mKHpul2XmGXYSG86kMrbJqUr2w0Q=
 github.com/tenntenn/modver v1.0.1/go.mod h1:bePIyQPb7UeioSRkw3Q0XeMhYZSMx9B8ePqg6SAMGH0=
diff --git a/tekton/publish.yaml b/tekton/publish.yaml
index 39e0aeb82a2..886c570c036 100644
--- a/tekton/publish.yaml
+++ b/tekton/publish.yaml
@@ -96,6 +96,7 @@ spec:
       # Combine Distroless with a Windows base image, used for the entrypoint image.
       COMBINED_BASE_IMAGE=$(go run ./vendor/github.com/tektoncd/plumbing/cmd/combine/main.go \
         ghcr.io/distroless/static \
+        mcr.microsoft.com/windows/nanoserver:ltsc2019 \
         mcr.microsoft.com/windows/nanoserver:ltsc2022 \
         ${CONTAINER_REGISTRY}/$(params.package)/combined-base-image:latest)
 
diff --git a/vendor/github.com/tektoncd/plumbing/cmd/combine/README.md b/vendor/github.com/tektoncd/plumbing/cmd/combine/README.md
index 7dc30e1fd0e..e1f1419d57a 100644
--- a/vendor/github.com/tektoncd/plumbing/cmd/combine/README.md
+++ b/vendor/github.com/tektoncd/plumbing/cmd/combine/README.md
@@ -1,39 +1,50 @@
 # combine manifest lists
 
-This tool combines two Docker manifest lists ("multi-arch images") into one that provides all the platforms supported by both manifest lists.
+This tool combines two or more Docker manifest lists ("multi-arch images") into one that provides all the platforms supported by all the specified base image manifest lists.
 
-It fails if both images provide the same platforms, or if either isn't a manifest list.
+It fails if any images provide the same platforms, or if any isn't a manifest list.
 
 # demo
 
 ```
 $ go run ./ \
-    gcr.io/distroless/static:nonroot \
-    mcr.microsoft.com/windows/nanoserver:1809 \
-    gcr.io/imjasonh/combined
+    ghcr.io/distroless/static \
+    mcr.microsoft.com/windows/nanoserver:ltsc2022 \
+    mcr.microsoft.com/windows/nanoserver:ltsc2019 \
+    gcr.io/MY_PROJECT/combined
 ```
 
-This combines the [distroless](https://github.com/googlecontainertools/distroless) image providing linux platform support with an image providing Windows support.
+This combines a [distroless](https://github.com/distroless/static) base image providing Linux platform support, with two image providing different versions of a Windows base image.
 
 The general form of the command args is:
 
 ```
-combine src1 src2 dst
+combine src1 src2 [src...] dst
 ```
 
-(combine two source manifest lists and push to the `dst` reference).
+(combine two or more source manifest lists and push to the `dst` reference).
 
 After running the script, you can check the image's platforms using [`crane`](https://github.com/google/go-containerregistry/blob/main/cmd/crane/README.md):
 
 ```
-$ crane manifest gcr.io/imjasonh/combined | jq '.manifests[].platform'
+$ crane manifest gcr.io/MY_PROJECT/combined | jq '.manifests[].platform'
+{
+  "architecture": "386",
+  "os": "linux"
+}
 {
   "architecture": "amd64",
   "os": "linux"
 }
 {
   "architecture": "arm",
-  "os": "linux"
+  "os": "linux",
+  "variant": "v6"
+}
+{
+  "architecture": "arm",
+  "os": "linux",
+  "variant": "v7"
 }
 {
   "architecture": "arm64",
@@ -43,6 +54,10 @@ $ crane manifest gcr.io/imjasonh/combined | jq '.manifests[].platform'
   "architecture": "ppc64le",
   "os": "linux"
 }
+{
+  "architecture": "riscv64",
+  "os": "linux"
+}
 {
   "architecture": "s390x",
   "os": "linux"
@@ -50,16 +65,16 @@ $ crane manifest gcr.io/imjasonh/combined | jq '.manifests[].platform'
 {
   "architecture": "amd64",
   "os": "windows",
-  "os.version": "10.0.17763.1935"
+  "os.version": "10.0.20348.887"
 }
 {
-  "architecture": "arm",
+  "architecture": "amd64",
   "os": "windows",
-  "os.version": "10.0.17763.1935"
+  "os.version": "10.0.17763.3287"
 }
 ```
 
-The result is an image that provides support for both.
-If both manifest lists provide support for the same platform, the script will fail.
+The result is an image that provides support for all the provided base image platforms.
+If any manifest lists provide duplicate support for the same platform, the script will fail.
 
 This image is intended to be suitable as a base image used with `ko` to provide multi-arch _and multi-OS_ support for a Go application.
diff --git a/vendor/github.com/tektoncd/plumbing/cmd/combine/main.go b/vendor/github.com/tektoncd/plumbing/cmd/combine/main.go
index b2ac23fe761..701f00d752d 100644
--- a/vendor/github.com/tektoncd/plumbing/cmd/combine/main.go
+++ b/vendor/github.com/tektoncd/plumbing/cmd/combine/main.go
@@ -32,12 +32,14 @@ import (
 )
 
 func main() {
-	if len(os.Args) != 4 {
-		log.Fatal("expected exactly 3 args (src1, src2, dst)")
+	if len(os.Args) < 4 {
+		log.Fatal("expected at least 3 args (src1, src2, ... dst)")
 	}
 
-	src1, src2, dst := os.Args[1], os.Args[2], os.Args[3]
-	log.Println("combining", src1, src2, "into", dst)
+	srcs := os.Args[1 : len(os.Args)-1]
+	dst := os.Args[len(os.Args)-1]
+
+	log.Println("combining", srcs, "into", dst)
 	dstr, err := name.ParseReference(dst)
 	if err != nil {
 		log.Fatal(err)
@@ -50,14 +52,6 @@ func main() {
 		}
 		return remote.Index(r)
 	}
-	src1i, err := pull(src1)
-	if err != nil {
-		log.Fatalf("pulling %q: %v", src1, err)
-	}
-	src2i, err := pull(src2)
-	if err != nil {
-		log.Fatalf("pulling %q: %v", src2, err)
-	}
 
 	plats := map[string]bool{}
 	var adds []mutate.IndexAddendum
@@ -70,7 +64,6 @@ func main() {
 			if desc.Platform == nil {
 				return fmt.Errorf("found nil platform for manifest %s", desc.Digest)
 			}
-
 			b, err := json.Marshal(desc.Platform)
 			if err != nil {
 				return fmt.Errorf("marshalling platform: %w", err)
@@ -92,13 +85,16 @@ func main() {
 		}
 		return nil
 	}
-	log.Println("---", src1, "---")
-	if err := add(src1i); err != nil {
-		log.Fatalf("adding manifests from src1: %v", err)
-	}
-	log.Println("---", src2, "---")
-	if err := add(src2i); err != nil {
-		log.Fatalf("adding manifests from src2: %v", err)
+
+	for _, src := range srcs {
+		log.Println("---", src, "---")
+		srci, err := pull(src)
+		if err != nil {
+			log.Fatalf("pulling %q: %v", src, err)
+		}
+		if err := add(srci); err != nil {
+			log.Fatalf("adding manifests from src %q: %v", src, err)
+		}
 	}
 
 	dsti := mutate.AppendManifests(mutate.IndexMediaType(empty.Index, types.DockerManifestList), adds...)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 87abeab4d30..f196fac8ed8 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -447,7 +447,7 @@ github.com/spf13/pflag
 ## explicit; go 1.13
 github.com/stretchr/testify/assert
 github.com/stretchr/testify/require
-# github.com/tektoncd/plumbing v0.0.0-20220728121531-8a725746af4f
+# github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb
 ## explicit; go 1.13
 github.com/tektoncd/plumbing
 github.com/tektoncd/plumbing/cmd/combine