diff --git a/go.mod b/go.mod
index 5feac6abb5..79fa3d8ce1 100644
--- a/go.mod
+++ b/go.mod
@@ -30,9 +30,9 @@ require (
 	k8s.io/client-go v0.22.5
 	k8s.io/code-generator v0.22.5
 	k8s.io/kube-openapi v0.0.0-20211109043538-20434351676c
-	knative.dev/eventing v0.29.1-0.20220217054812-7a48f4269b6f
-	knative.dev/hack v0.0.0-20220216040439-0456e8bf6547
-	knative.dev/pkg v0.0.0-20220215153400-3c00bb0157b9
+	knative.dev/eventing v0.29.1-0.20220221175003-2a69eec1e358
+	knative.dev/hack v0.0.0-20220218190734-a8ef7b67feec
+	knative.dev/pkg v0.0.0-20220217155112-d48172451966
 	knative.dev/reconciler-test v0.0.0-20220216192840-2c3291f210ce
 	sigs.k8s.io/controller-runtime v0.9.6
 )
diff --git a/go.sum b/go.sum
index c459e30723..b60d40dad4 100644
--- a/go.sum
+++ b/go.sum
@@ -2240,17 +2240,19 @@ k8s.io/utils v0.0.0-20210722164352-7f3ee0f31471/go.mod h1:jPW/WVKK9YHAvNhRxK0md/
 k8s.io/utils v0.0.0-20210819203725-bdf08cb9a70a/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20211208161948-7d6a63dca704 h1:ZKMMxTvduyf5WUtREOqg5LiXaN1KO/+0oOQPRFrClpo=
 k8s.io/utils v0.0.0-20211208161948-7d6a63dca704/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-knative.dev/eventing v0.29.1-0.20220217054812-7a48f4269b6f h1:hcX3eV41PawEWk45B7tb14+qIPvRa3qgXUIPwsJECv0=
-knative.dev/eventing v0.29.1-0.20220217054812-7a48f4269b6f/go.mod h1:Q6l5svQIhulsqkTQco38HKGCM54Imx7GSIRBASXINAM=
+knative.dev/eventing v0.29.1-0.20220221175003-2a69eec1e358 h1:ze96GfPEwFkegFUtZyhJpl1glk6oGi6KfHCxsbV6RwE=
+knative.dev/eventing v0.29.1-0.20220221175003-2a69eec1e358/go.mod h1:Q6l5svQIhulsqkTQco38HKGCM54Imx7GSIRBASXINAM=
 knative.dev/hack v0.0.0-20220118141833-9b2ed8471e30/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 knative.dev/hack v0.0.0-20220209225905-7331bb16ba00/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 knative.dev/hack v0.0.0-20220215185059-b9cb1983b600/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
-knative.dev/hack v0.0.0-20220216040439-0456e8bf6547 h1:lEWsaG/yMLLp3onNushrawsHFXD4LXCXTo5FUUa2GiU=
 knative.dev/hack v0.0.0-20220216040439-0456e8bf6547/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
+knative.dev/hack v0.0.0-20220218190734-a8ef7b67feec h1:ihYrJkaAT6sJeBUQf0rwOO0//sXUAUG+m/B1t3zBNBI=
+knative.dev/hack v0.0.0-20220218190734-a8ef7b67feec/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
 knative.dev/hack/schema v0.0.0-20220215185059-b9cb1983b600/go.mod h1:ffjwmdcrH5vN3mPhO8RrF2KfNnbHeCE2C60A+2cv3U0=
 knative.dev/pkg v0.0.0-20220118160532-77555ea48cd4/go.mod h1:etVT7Tm8pSDf4RKhGk4r7j/hj3dNBpvT7bO6a6wpahs=
-knative.dev/pkg v0.0.0-20220215153400-3c00bb0157b9 h1:u0vYuNe0BTFvbqN8euaauL/kN3jR7mjmxMc+QRnWsUw=
 knative.dev/pkg v0.0.0-20220215153400-3c00bb0157b9/go.mod h1:6ZoCgi60jSUn/WrwTGNAZbsz5/kmwiZZD8EovSLzYZ4=
+knative.dev/pkg v0.0.0-20220217155112-d48172451966 h1:4qXRfR/ZhanbOoJYQwJjmAoFEg3qi5x/KVTRp06HK1U=
+knative.dev/pkg v0.0.0-20220217155112-d48172451966/go.mod h1:qymIihGpeunap7KEUhrKRcm0LjhkCjL+n7ryIx2kLH0=
 knative.dev/reconciler-test v0.0.0-20220215020657-3f8092fb8739/go.mod h1:m2q6+mGqlPsJ6qP0ssMv3x2UBwIgTdTxgxJ6GK5kgu4=
 knative.dev/reconciler-test v0.0.0-20220216192840-2c3291f210ce h1:EzRwv7mxqEbBE6dQlOXBUuMeq4f2SbM/CTi1pKiXraA=
 knative.dev/reconciler-test v0.0.0-20220216192840-2c3291f210ce/go.mod h1:m2q6+mGqlPsJ6qP0ssMv3x2UBwIgTdTxgxJ6GK5kgu4=
diff --git a/vendor/knative.dev/hack/presubmit-tests.sh b/vendor/knative.dev/hack/presubmit-tests.sh
index 08bd85d4a1..679a00e3f9 100644
--- a/vendor/knative.dev/hack/presubmit-tests.sh
+++ b/vendor/knative.dev/hack/presubmit-tests.sh
@@ -23,7 +23,7 @@ source $(dirname "${BASH_SOURCE[0]}")/library.sh
 readonly PRESUBMIT_TEST_FAIL_FAST=${PRESUBMIT_TEST_FAIL_FAST:-0}
 
 # Extensions or file patterns that don't require presubmit tests.
-readonly NO_PRESUBMIT_FILES=(\.png \.gitignore \.gitattributes ^OWNERS ^OWNERS_ALIASES ^AUTHORS)
+readonly NO_PRESUBMIT_FILES=(\.png \.gitignore \.gitattributes ^OWNERS ^OWNERS_ALIASES ^AUTHORS \.github/*)
 
 # Flag if this is a presubmit run or not.
 (( IS_PROW )) && [[ ${JOB_TYPE} == "presubmit" ]] && IS_PRESUBMIT=1 || IS_PRESUBMIT=0
diff --git a/vendor/knative.dev/pkg/apis/url.go b/vendor/knative.dev/pkg/apis/url.go
index 89a4d2454c..e54cb1d076 100644
--- a/vendor/knative.dev/pkg/apis/url.go
+++ b/vendor/knative.dev/pkg/apis/url.go
@@ -27,6 +27,7 @@ import (
 // URL is an alias of url.URL.
 // It has custom json marshal methods that enable it to be used in K8s CRDs
 // such that the CRD resource will have the URL but operator code can can work with url.URL struct
+// +kubebuilder:validation:Type=string
 type URL url.URL
 
 // ParseURL attempts to parse the given string as a URL.
diff --git a/vendor/knative.dev/pkg/changeset/commit.go b/vendor/knative.dev/pkg/changeset/commit.go
index 52c77998f0..3668dfebd1 100644
--- a/vendor/knative.dev/pkg/changeset/commit.go
+++ b/vendor/knative.dev/pkg/changeset/commit.go
@@ -17,6 +17,7 @@ limitations under the License.
 package changeset
 
 import (
+	"bufio"
 	"fmt"
 	"io/ioutil"
 	"os"
@@ -28,6 +29,10 @@ import (
 const (
 	commitIDFile      = "HEAD"
 	koDataPathEnvName = "KO_DATA_PATH"
+	// packedRefsFile is a file containing a list of refs, used to compact the
+	// list of refs instead of storing them on the filesystem directly.
+	// See https://git-scm.com/docs/git-pack-refs
+	packedRefsFile = "packed-refs"
 )
 
 var commitIDRE = regexp.MustCompile(`^[a-f0-9]{40}$`)
@@ -41,9 +46,27 @@ func Get() (string, error) {
 	}
 	commitID := strings.TrimSpace(string(data))
 	if rID := strings.TrimPrefix(commitID, "ref: "); rID != commitID {
+		// First try to read from the direct ref file - e.g. refs/heads/main
 		data, err := readFileFromKoData(rID)
 		if err != nil {
-			return "", err
+			if !os.IsNotExist(err) {
+				return "", err
+			}
+
+			// Ref file didn't exist - it might be contained in the packed-refs
+			// file.
+			var pferr error
+			data, pferr = findPackedRef(rID)
+			// Only return the sub-error if the packed-refs file exists, otherwise
+			// just let the original error return (e.g. treat it as if we didn't
+			// even attempt the operation). This is primarily to keep the error
+			// messages clean.
+			if pferr != nil {
+				if os.IsNotExist(pferr) {
+					return "", err
+				}
+				return "", pferr
+			}
 		}
 		commitID = strings.TrimSpace(string(data))
 	}
@@ -58,9 +81,49 @@ func Get() (string, error) {
 // to be wrapped into the container from /kodata by ko. If it fails, returns
 // the error it gets.
 func readFileFromKoData(filename string) ([]byte, error) {
+	f, err := koDataFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	return ioutil.ReadAll(f)
+}
+
+// readFileFromKoData tries to open the file with given name under KO_DATA_PATH.
+// The file is expected to be wrapped into the container from /kodata by ko.
+// If it fails, returns the error it gets.
+func koDataFile(filename string) (*os.File, error) {
 	koDataPath := os.Getenv(koDataPathEnvName)
 	if koDataPath == "" {
 		return nil, fmt.Errorf("%q does not exist or is empty", koDataPathEnvName)
 	}
-	return ioutil.ReadFile(filepath.Join(koDataPath, filename))
+	return os.Open(filepath.Join(koDataPath, filename))
+}
+
+// findPackedRef searches the packed-ref file for ref values.
+// This can happen if the # of refs in a repo grows too much - git will try
+// and condense them into a file.
+// See https://git-scm.com/docs/git-pack-refs
+func findPackedRef(ref string) ([]byte, error) {
+	f, err := koDataFile(packedRefsFile)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		// We only care about lines with `<commit> <ref>` pairs.
+		// Why this might happen:
+		// 1. Lines starting with ^ refer to unpeeled tag SHAs
+		// 	  (e.g. the commits pointed to by annotated tags)
+		s := strings.Split(scanner.Text(), " ")
+		if len(s) != 2 {
+			continue
+		}
+		if ref == s[1] {
+			return []byte(s[0]), nil
+		}
+	}
+	return nil, fmt.Errorf("%q ref not found in packed-refs", ref)
 }
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 70d35e1ee6..f19013e91f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1149,7 +1149,7 @@ k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/pointer
 k8s.io/utils/trace
-# knative.dev/eventing v0.29.1-0.20220217054812-7a48f4269b6f
+# knative.dev/eventing v0.29.1-0.20220221175003-2a69eec1e358
 ## explicit; go 1.16
 knative.dev/eventing/pkg/adapter/v2
 knative.dev/eventing/pkg/adapter/v2/util/crstatusevent
@@ -1247,10 +1247,10 @@ knative.dev/eventing/test/test_images/event-sender
 knative.dev/eventing/test/test_images/heartbeats
 knative.dev/eventing/test/test_images/performance
 knative.dev/eventing/test/test_images/print
-# knative.dev/hack v0.0.0-20220216040439-0456e8bf6547
+# knative.dev/hack v0.0.0-20220218190734-a8ef7b67feec
 ## explicit; go 1.14
 knative.dev/hack
-# knative.dev/pkg v0.0.0-20220215153400-3c00bb0157b9
+# knative.dev/pkg v0.0.0-20220217155112-d48172451966
 ## explicit; go 1.17
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck