diff --git a/cmd/ctrld/cli.go b/cmd/ctrld/cli.go
index 5f18933..460c113 100644
--- a/cmd/ctrld/cli.go
+++ b/cmd/ctrld/cli.go
@@ -669,7 +669,7 @@ func processCDFlags() {
 	}
 	logger := mainLog.With().Str("mode", "cd").Logger()
 	logger.Info().Msgf("fetching Controld D configuration from API: %s", cdUID)
-	resolverConfig, err := controld.FetchResolverConfig(cdUID)
+	resolverConfig, err := controld.FetchResolverConfig(cdUID, rootCmd.Version)
 	if uer, ok := err.(*controld.UtilityErrorResponse); ok && uer.ErrorField.Code == controld.InvalidConfigCode {
 		s, err := service.New(&prog{}, svcConfig)
 		if err != nil {
diff --git a/internal/controld/config.go b/internal/controld/config.go
index 48efef9..a77eecd 100644
--- a/internal/controld/config.go
+++ b/internal/controld/config.go
@@ -51,7 +51,7 @@ type utilityRequest struct {
 }
 
 // FetchResolverConfig fetch Control D config for given uid.
-func FetchResolverConfig(uid string) (*ResolverConfig, error) {
+func FetchResolverConfig(uid, version string) (*ResolverConfig, error) {
 	body, _ := json.Marshal(utilityRequest{UID: uid})
 	req, err := http.NewRequest("POST", resolverDataURL, bytes.NewReader(body))
 	if err != nil {
@@ -59,6 +59,7 @@ func FetchResolverConfig(uid string) (*ResolverConfig, error) {
 	}
 	q := req.URL.Query()
 	q.Set("platform", "ctrld")
+	q.Set("version", version)
 	req.URL.RawQuery = q.Encode()
 	req.Header.Add("Content-Type", "application/json")
 	transport := http.DefaultTransport.(*http.Transport).Clone()
diff --git a/internal/controld/config_test.go b/internal/controld/config_test.go
index 13d937a..d46cf95 100644
--- a/internal/controld/config_test.go
+++ b/internal/controld/config_test.go
@@ -22,7 +22,7 @@ func TestFetchResolverConfig(t *testing.T) {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
-			got, err := FetchResolverConfig(tc.uid)
+			got, err := FetchResolverConfig(tc.uid, "dev-test")
 			require.False(t, (err != nil) != tc.wantErr, err)
 			if !tc.wantErr {
 				assert.NotEmpty(t, got.DOH)