diff --git a/dist-test/directive.test.js b/dist-test/directive.test.js
index 579933f..cfcce27 100644
--- a/dist-test/directive.test.js
+++ b/dist-test/directive.test.js
@@ -134,7 +134,7 @@ const clone = (x) => JSON.parse(JSON.stringify(x));
                             s: [OPEN],
                             c: (r) => 0 < r.n.pk,
                             b: 1,
-                            g: name + '_undive',
+                            g: name + '-undive',
                         },
                         {
                             s: [OPEN],
@@ -142,7 +142,7 @@ const clone = (x) => JSON.parse(JSON.stringify(x));
                             p: 'map',
                             b: 1,
                             n: { [name + '_top']: 1 },
-                            g: name + '_top',
+                            g: name + '-top',
                         }
                     ]);
                 });
@@ -152,12 +152,12 @@ const clone = (x) => JSON.parse(JSON.stringify(x));
                         c: (r) => 1 === r.d && 1 === r.n[name + '_top'],
                         p: 'pair',
                         b: 1,
-                        g: name + '_top',
+                        g: name + '-top',
                     }).close({
                         s: [OPEN],
                         c: (r) => 0 < r.n.pk,
                         b: 1,
-                        g: name + '_undive',
+                        g: name + '-undive',
                     });
                 });
                 jsonic.rule('pair', (rs) => {
@@ -165,7 +165,7 @@ const clone = (x) => JSON.parse(JSON.stringify(x));
                         s: [OPEN],
                         c: (r) => 0 < r.n.pk,
                         b: 1,
-                        g: name + '_undive',
+                        g: name + '-undive',
                     });
                 });
             }
diff --git a/go/go.mod b/go/go.mod
index bd3a3de..6c7450b 100644
--- a/go/go.mod
+++ b/go/go.mod
@@ -2,4 +2,4 @@ module github.com/jsonicjs/directive/go
 
 go 1.24.7
 
-require github.com/jsonicjs/jsonic/go v0.1.6
+require github.com/jsonicjs/jsonic/go v0.1.19-0.20260418131021-ec70f537dda6
diff --git a/go/go.sum b/go/go.sum
index 2f8eb56..8d2f0f2 100644
--- a/go/go.sum
+++ b/go/go.sum
@@ -1,4 +1,2 @@
-github.com/jsonicjs/jsonic/go v0.1.4 h1:V1KEzmg/jIwk25+JYj8ig1+B7190rHmH8WqZbT7XlgA=
-github.com/jsonicjs/jsonic/go v0.1.4/go.mod h1:ObNKlCG7esWoi4AHCpdgkILvPINV8bpvkbCd4llGGUg=
-github.com/jsonicjs/jsonic/go v0.1.6 h1:oUw4vxCK6tqa7SGN87vjCtx3sCpeHXdqfl25hx5LKP0=
-github.com/jsonicjs/jsonic/go v0.1.6/go.mod h1:ObNKlCG7esWoi4AHCpdgkILvPINV8bpvkbCd4llGGUg=
+github.com/jsonicjs/jsonic/go v0.1.19-0.20260418131021-ec70f537dda6 h1:ir3VMZHrFbCGqj/LcBadgB4VVsa13UkCOXUeV6fDkGw=
+github.com/jsonicjs/jsonic/go v0.1.19-0.20260418131021-ec70f537dda6/go.mod h1:ObNKlCG7esWoi4AHCpdgkILvPINV8bpvkbCd4llGGUg=
diff --git a/go/plugin.go b/go/plugin.go
index 2fef854..e4a4382 100644
--- a/go/plugin.go
+++ b/go/plugin.go
@@ -11,7 +11,7 @@ import (
 // Directive is a jsonic plugin that adds directive syntax support.
 // A directive defines a custom token sequence (open and optional close)
 // that triggers an action callback to transform the parsed content.
-func Directive(j *jsonic.Jsonic, pluginOpts map[string]any) {
+func Directive(j *jsonic.Jsonic, pluginOpts map[string]any) error {
 	opts := extractOptions(pluginOpts)
 
 	// Resolve rules: nil means use defaults.
@@ -222,4 +222,6 @@ func Directive(j *jsonic.Jsonic, pluginOpts map[string]any) {
 			Name:  name,
 		})
 	}
+
+	return nil
 }
diff --git a/package.json b/package.json
index effd4ab..5c13b76 100644
--- a/package.json
+++ b/package.json
@@ -39,10 +39,10 @@
     "@hapi/code": "^9.0.3",
     "@jsonic/doc": "^0.0.9",
     "@types/node": "25.5.0",
+    "jsonic": "github:jsonicjs/jsonic",
     "typescript": "^5.9.3"
   },
   "peerDependencies": {
     "jsonic": ">=2"
-  },
-  "dependencies": {}
+  }
 }
diff --git a/test/directive.test.ts b/test/directive.test.ts
index bec5cd7..bb97694 100644
--- a/test/directive.test.ts
+++ b/test/directive.test.ts
@@ -160,7 +160,7 @@ describe('directive', () => {
                 s: [OPEN],
                 c: (r) => 0 < r.n.pk,
                 b: 1,
-                g: name + '_undive',
+                g: name + '-undive',
               },
 
               {
@@ -169,7 +169,7 @@ describe('directive', () => {
                 p: 'map',
                 b: 1,
                 n: { [name + '_top']: 1 },
-                g: name + '_top',
+                g: name + '-top',
               }])
           })
 
@@ -179,12 +179,12 @@ describe('directive', () => {
               c: (r) => 1 === r.d && 1 === r.n[name + '_top'],
               p: 'pair',
               b: 1,
-              g: name + '_top',
+              g: name + '-top',
             }).close({
               s: [OPEN],
               c: (r) => 0 < r.n.pk,
               b: 1,
-              g: name + '_undive',
+              g: name + '-undive',
             })
           })
 
@@ -193,7 +193,7 @@ describe('directive', () => {
               s: [OPEN],
               c: (r) => 0 < r.n.pk,
               b: 1,
-              g: name + '_undive',
+              g: name + '-undive',
             })
           })
         }