diff --git a/charts/cert-manager-webhook-gandi/go.mod b/charts/cert-manager-webhook-gandi/go.mod
new file mode 100644
index 0000000..1e4dbff
--- /dev/null
+++ b/charts/cert-manager-webhook-gandi/go.mod
@@ -0,0 +1,113 @@
+module github.com/bwolf/cert-manager-webhook-gandi
+
+go 1.17
+
+require (
+	github.com/NYTimes/gziphandler v1.1.1 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/blang/semver v3.5.1+incompatible // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emicklei/go-restful v2.15.0+incompatible // indirect
+	github.com/evanphx/json-patch v4.11.0+incompatible // indirect
+	github.com/felixge/httpsnoop v1.0.2 // indirect
+	github.com/go-logr/logr v0.4.0 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.6 // indirect
+	github.com/go-openapi/swag v0.19.15 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jetstack/cert-manager v1.5.4
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/miekg/dns v1.1.34 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.11.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.31.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/spf13/cobra v1.2.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.0 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.0 // indirect
+	go.etcd.io/etcd/client/v3 v3.5.0 // indirect
+	go.opentelemetry.io/contrib v0.20.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.20.0 // indirect
+	go.opentelemetry.io/otel v0.20.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp v0.20.0 // indirect
+	go.opentelemetry.io/otel/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk/export/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/trace v0.20.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.7.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.7.0 // indirect
+	go.uber.org/zap v1.19.1 // indirect
+	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
+	golang.org/x/net v0.0.0-20211005001312-d4b1ae081e3b // indirect
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
+	golang.org/x/sys v0.0.0-20211004093028-2c5d950f24ef // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20211001223012-bfb93cce50d9 // indirect
+	google.golang.org/grpc v1.41.0 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	k8s.io/api v0.22.2 // indirect
+	k8s.io/apiextensions-apiserver v0.22.2
+	k8s.io/apimachinery v0.22.2
+	k8s.io/apiserver v0.22.2 // indirect
+	k8s.io/client-go v0.22.2
+	k8s.io/component-base v0.22.2 // indirect
+	k8s.io/klog/v2 v2.9.0
+	k8s.io/kube-aggregator v0.22.2 // indirect
+	k8s.io/kube-openapi v0.0.0-20210929172449-94abcedd1aa4 // indirect
+	k8s.io/utils v0.0.0-20210930125809-cb0fa318a74b // indirect
+	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.24 // indirect
+	sigs.k8s.io/controller-runtime v0.9.2 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.1.2 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)
+
+// Force packages versions over versions used by https://github.com/kubernetes/apiserver v0.22.2
+replace (
+	github.com/go-logr/logr => github.com/go-logr/logr v0.4.0
+	go.opentelemetry.io/contrib => go.opentelemetry.io/contrib v0.20.0
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc => go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.20.0
+	go.opentelemetry.io/otel => go.opentelemetry.io/otel v0.20.0
+	go.opentelemetry.io/otel/exporters/otlp => go.opentelemetry.io/otel/exporters/otlp v0.20.0
+	go.opentelemetry.io/otel/metric => go.opentelemetry.io/otel/metric v0.20.0
+	go.opentelemetry.io/otel/sdk => go.opentelemetry.io/otel/sdk v0.20.0
+	go.opentelemetry.io/otel/sdk/export/metric => go.opentelemetry.io/otel/sdk/export/metric v0.20.0
+	go.opentelemetry.io/otel/sdk/metric => go.opentelemetry.io/otel/sdk/metric v0.20.0
+	go.opentelemetry.io/otel/trace => go.opentelemetry.io/otel/trace v0.20.0
+	go.opentelemetry.io/proto/otlp => go.opentelemetry.io/proto/otlp v0.7.0
+	k8s.io/klog/v2 => k8s.io/klog/v2 v2.9.0
+)