diff --git a/go.mod b/go.mod
index 67241b8fe68..31ae315aa4c 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sqs v1.29.7
 	github.com/aws/aws-sdk-go-v2/service/sts v1.26.7
 	github.com/bradleyfalzon/ghinstallation/v2 v2.9.0
-	github.com/cloudevents/sdk-go/v2 v2.15.0
+	github.com/cloudevents/sdk-go/v2 v2.15.2
 	github.com/denisenkom/go-mssqldb v0.12.3
 	github.com/dysnix/predictkube-libs v0.0.4-0.20230109175007-5a82fccd31c7
 	github.com/dysnix/predictkube-proto v0.0.0-20220713123213-7135dce1e9c9
diff --git a/go.sum b/go.sum
index b398d9182d4..4779d8594b4 100644
--- a/go.sum
+++ b/go.sum
@@ -1006,8 +1006,8 @@ github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/cloudevents/sdk-go/v2 v2.15.0 h1:aKnhLQhyoJXqEECQdOIZnbZ9VupqlidE6hedugDGr+I=
-github.com/cloudevents/sdk-go/v2 v2.15.0/go.mod h1:lL7kSWAE/V8VI4Wh0jbL2v/jvqsm6tjmaQBSvxcv4uE=
+github.com/cloudevents/sdk-go/v2 v2.15.2 h1:54+I5xQEnI73RBhWHxbI1XJcqOFOVJN85vb41+8mHUc=
+github.com/cloudevents/sdk-go/v2 v2.15.2/go.mod h1:lL7kSWAE/V8VI4Wh0jbL2v/jvqsm6tjmaQBSvxcv4uE=
 github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA=
 github.com/cloudflare/circl v1.3.7 h1:qlCDlTPz2n9fu58M0Nh1J/JzcFpfgkFHHX3O35r5vcU=
 github.com/cloudflare/circl v1.3.7/go.mod h1:sRTcRWXGLrKw6yIGJ+l7amYJFfAXbZG0kBSc8r4zxgA=
diff --git a/vendor/github.com/cloudevents/sdk-go/v2/protocol/http/protocol.go b/vendor/github.com/cloudevents/sdk-go/v2/protocol/http/protocol.go
index dba6fd7baa7..7ee3b8fe122 100644
--- a/vendor/github.com/cloudevents/sdk-go/v2/protocol/http/protocol.go
+++ b/vendor/github.com/cloudevents/sdk-go/v2/protocol/http/protocol.go
@@ -102,7 +102,10 @@ func New(opts ...Option) (*Protocol, error) {
 	}
 
 	if p.Client == nil {
-		p.Client = http.DefaultClient
+		// This is how http.DefaultClient is initialized. We do not just use
+		// that because when WithRoundTripper is used, it will change the client's
+		// transport, which would cause that transport to be used process-wide.
+		p.Client = &http.Client{}
 	}
 
 	if p.roundTripper != nil {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 8aa6b62cb36..69f1616e1f3 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -431,7 +431,7 @@ github.com/cenkalti/backoff/v4
 # github.com/cespare/xxhash/v2 v2.2.0
 ## explicit; go 1.11
 github.com/cespare/xxhash/v2
-# github.com/cloudevents/sdk-go/v2 v2.15.0
+# github.com/cloudevents/sdk-go/v2 v2.15.2
 ## explicit; go 1.18
 github.com/cloudevents/sdk-go/v2
 github.com/cloudevents/sdk-go/v2/binding