diff --git a/fn.go b/fn.go
index 5430161..5b1b6c8 100644
--- a/fn.go
+++ b/fn.go
@@ -7,6 +7,7 @@ import (
 	"github.com/google/cel-go/cel"
 	"github.com/google/cel-go/ext"
 	"google.golang.org/protobuf/types/known/structpb"
+	"k8s.io/apiserver/pkg/cel/library"
 
 	"github.com/crossplane/function-sdk-go/errors"
 	"github.com/crossplane/function-sdk-go/logging"
@@ -43,6 +44,10 @@ func NewFunction(log logging.Logger) (*Function, error) {
 		cel.OptionalTypes(),
 		ext.Strings(ext.StringsVersion(2)),
 		ext.Sets(),
+		library.URLs(),
+		library.Lists(),
+		library.Regex(),
+		library.Quantity(),
 	)
 	return &Function{log: log, env: env}, errors.Wrap(err, "cannot create CEL environment")
 }
diff --git a/go.mod b/go.mod
index ebc1154..845e0b2 100644
--- a/go.mod
+++ b/go.mod
@@ -12,6 +12,7 @@ require (
 	github.com/google/go-cmp v0.6.0
 	google.golang.org/protobuf v1.34.1
 	k8s.io/apimachinery v0.29.3
+	k8s.io/apiserver v0.29.3
 	sigs.k8s.io/controller-tools v0.14.0
 )
 
@@ -66,9 +67,9 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/api v0.29.1 // indirect
+	k8s.io/api v0.29.3 // indirect
 	k8s.io/apiextensions-apiserver v0.29.1 // indirect
-	k8s.io/client-go v0.29.1 // indirect
+	k8s.io/client-go v0.29.3 // indirect
 	k8s.io/klog/v2 v2.110.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
 	k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect
diff --git a/go.sum b/go.sum
index 6b75fd9..0c1b403 100644
--- a/go.sum
+++ b/go.sum
@@ -305,16 +305,18 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-k8s.io/api v0.29.1 h1:DAjwWX/9YT7NQD4INu49ROJuZAAAP/Ijki48GUPzxqw=
-k8s.io/api v0.29.1/go.mod h1:7Kl10vBRUXhnQQI8YR/R327zXC8eJ7887/+Ybta+RoQ=
+k8s.io/api v0.29.3 h1:2ORfZ7+bGC3YJqGpV0KSDDEVf8hdGQ6A03/50vj8pmw=
+k8s.io/api v0.29.3/go.mod h1:y2yg2NTyHUUkIoTC+phinTnEa3KFM6RZ3szxt014a80=
 k8s.io/apiextensions-apiserver v0.29.1 h1:S9xOtyk9M3Sk1tIpQMu9wXHm5O2MX6Y1kIpPMimZBZw=
 k8s.io/apiextensions-apiserver v0.29.1/go.mod h1:zZECpujY5yTW58co8V2EQR4BD6A9pktVgHhvc0uLfeU=
 k8s.io/apimachinery v0.29.3 h1:2tbx+5L7RNvqJjn7RIuIKu9XTsIZ9Z5wX2G22XAa5EU=
 k8s.io/apimachinery v0.29.3/go.mod h1:hx/S4V2PNW4OMg3WizRrHutyB5la0iCUbZym+W0EQIU=
-k8s.io/client-go v0.29.1 h1:19B/+2NGEwnFLzt0uB5kNJnfTsbV8w6TgQRz9l7ti7A=
-k8s.io/client-go v0.29.1/go.mod h1:TDG/psL9hdet0TI9mGyHJSgRkW3H9JZk2dNEUS7bRks=
-k8s.io/component-base v0.29.1 h1:MUimqJPCRnnHsskTTjKD+IC1EHBbRCVyi37IoFBrkYw=
-k8s.io/component-base v0.29.1/go.mod h1:fP9GFjxYrLERq1GcWWZAE3bqbNcDKDytn2srWuHTtKc=
+k8s.io/apiserver v0.29.3 h1:xR7ELlJ/BZSr2n4CnD3lfA4gzFivh0wwfNfz9L0WZcE=
+k8s.io/apiserver v0.29.3/go.mod h1:hrvXlwfRulbMbBgmWRQlFru2b/JySDpmzvQwwk4GUOs=
+k8s.io/client-go v0.29.3 h1:R/zaZbEAxqComZ9FHeQwOh3Y1ZUs7FaHKZdQtIc2WZg=
+k8s.io/client-go v0.29.3/go.mod h1:tkDisCvgPfiRpxGnOORfkljmS+UrW+WtXAy2fTvXJB0=
+k8s.io/component-base v0.29.3 h1:Oq9/nddUxlnrCuuR2K/jp6aflVvc0uDvxMzAWxnGzAo=
+k8s.io/component-base v0.29.3/go.mod h1:Yuj33XXjuOk2BAaHsIGHhCKZQAgYKhqIxIjIr2UXYio=
 k8s.io/klog/v2 v2.110.1 h1:U/Af64HJf7FcwMcXyKm2RPM22WZzyR7OSpYj5tg3cL0=
 k8s.io/klog/v2 v2.110.1/go.mod h1:YGtd1984u+GgbuZ7e08/yBuAfKLSO0+uR1Fhi6ExXjo=
 k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 h1:aVUu9fTY98ivBPKR9Y5w/AuzbMm96cd3YHRTU83I780=