diff --git a/hack/synchronize-knative-manifests.sh b/hack/synchronize-knative-manifests.sh
old mode 100644
new mode 100755
index a57a79d80f..29c99b5b25
--- a/hack/synchronize-knative-manifests.sh
+++ b/hack/synchronize-knative-manifests.sh
@@ -14,9 +14,9 @@
 set -euxo pipefail
 IFS=$'\n\t'
 
-KN_SERVING_RELEASE="v1.12.4" # Must be a release
-KN_EXTENSION_RELEASE="v1.12.3" # Must be a release
-KN_EVENTING_RELEASE="v1.12.6" # Must be a release
+KN_SERVING_RELEASE="v1.14.1" # Must be a release
+KN_EXTENSION_RELEASE="v1.14.2" # Must be a release
+KN_EVENTING_RELEASE="v1.14.6" # Must be a release
 BRANCH=${BRANCH:=synchronize-knative-manifests-${KN_SERVING_RELEASE?}}
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )