diff --git a/CHANGELOG.md b/CHANGELOG.md
index 607b576..bde31ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.13.1
+
+This version adds missing translations for the `variableNameValidator` function [#37](https://github.com/nocode-js/sequential-workflow-editor/issues/37).
+
 ## 0.13.0
 
 This version introduces several internal changes that allowed for the creation of a new type of editor in the pro version: the hidden dependent value editor.
diff --git a/demos/webpack-app/package.json b/demos/webpack-app/package.json
index 78aca20..13950a4 100644
--- a/demos/webpack-app/package.json
+++ b/demos/webpack-app/package.json
@@ -18,8 +18,8 @@
 		"sequential-workflow-model": "^0.2.0",
 		"sequential-workflow-designer": "^0.21.2",
 		"sequential-workflow-machine": "^0.4.0",
-		"sequential-workflow-editor-model": "^0.13.0",
-		"sequential-workflow-editor": "^0.13.0"
+		"sequential-workflow-editor-model": "^0.13.1",
+		"sequential-workflow-editor": "^0.13.1"
 	},
 	"devDependencies": {
 		"ts-loader": "^9.4.2",
diff --git a/docs/I18N-KEYS.md b/docs/I18N-KEYS.md
index 809a4c2..70a7d86 100644
--- a/docs/I18N-KEYS.md
+++ b/docs/I18N-KEYS.md
@@ -47,6 +47,9 @@ This document lists all the I18N keys used in the Sequential Workflow Editor.
   "variableDefinitions.delete": "Delete",
   "variableDefinitions.namePlaceholder": "Variable name",
   "variableDefinitions.valueTypeIsNotAllowed": "Value type is not allowed",
-  "variableDefinitions.variableNameIsDuplicated": "Variable name is already used"
+  "variableDefinitions.variableNameIsDuplicated": "Variable name is already used",
+  "variableName.invalidCharacters": "Variable name contains invalid characters",
+  "variableName.maxLength": "Variable name must be :n characters or less",
+  "variableName.required": "Variable name is required"
 }
 ```
diff --git a/editor/package.json b/editor/package.json
index aba1f15..7e324a3 100644
--- a/editor/package.json
+++ b/editor/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "sequential-workflow-editor",
-	"version": "0.13.0",
+	"version": "0.13.1",
 	"type": "module",
 	"main": "./lib/esm/index.js",
 	"types": "./lib/index.d.ts",
@@ -46,11 +46,11 @@
 		"prettier:fix": "prettier --write ./src ./css"
 	},
 	"dependencies": {
-		"sequential-workflow-editor-model": "^0.13.0",
+		"sequential-workflow-editor-model": "^0.13.1",
 		"sequential-workflow-model": "^0.2.0"
 	},
 	"peerDependencies": {
-		"sequential-workflow-editor-model": "^0.13.0",
+		"sequential-workflow-editor-model": "^0.13.1",
 		"sequential-workflow-model": "^0.2.0"
 	},
 	"devDependencies": {
diff --git a/model/package.json b/model/package.json
index fa0fd72..76afaad 100644
--- a/model/package.json
+++ b/model/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "sequential-workflow-editor-model",
-	"version": "0.13.0",
+	"version": "0.13.1",
 	"homepage": "https://nocode-js.com/",
 	"author": {
 		"name": "NoCode JS",
diff --git a/model/src/validator/variable-name-validator.spec.ts b/model/src/validator/variable-name-validator.spec.ts
index 637cf2e..7c24663 100644
--- a/model/src/validator/variable-name-validator.spec.ts
+++ b/model/src/validator/variable-name-validator.spec.ts
@@ -1,21 +1,24 @@
+import { defaultI18n } from '../i18n';
 import { variableNameValidator } from './variable-name-validator';
 
 describe('VariableNameValidator', () => {
+	const i18n = defaultI18n;
+
 	it('creates correctly', () => {
-		expect(variableNameValidator('a')).toBeNull();
-		expect(variableNameValidator('ab')).toBeNull();
-		expect(variableNameValidator('a-b-c')).toBeNull();
-		expect(variableNameValidator('FooBar')).toBeNull();
-		expect(variableNameValidator('foo_bar')).toBeNull();
-		expect(variableNameValidator('item1')).toBeNull();
-		expect(variableNameValidator('item_1')).toBeNull();
-		expect(variableNameValidator('Item_1')).toBeNull();
-		expect(variableNameValidator('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa_b')).toBeNull();
+		expect(variableNameValidator(i18n, 'a')).toBeNull();
+		expect(variableNameValidator(i18n, 'ab')).toBeNull();
+		expect(variableNameValidator(i18n, 'a-b-c')).toBeNull();
+		expect(variableNameValidator(i18n, 'FooBar')).toBeNull();
+		expect(variableNameValidator(i18n, 'foo_bar')).toBeNull();
+		expect(variableNameValidator(i18n, 'item1')).toBeNull();
+		expect(variableNameValidator(i18n, 'item_1')).toBeNull();
+		expect(variableNameValidator(i18n, 'Item_1')).toBeNull();
+		expect(variableNameValidator(i18n, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa_b')).toBeNull();
 
-		expect(variableNameValidator('1')).toContain('invalid characters');
-		expect(variableNameValidator('fooBar&')).toContain('invalid characters');
-		expect(variableNameValidator('1_')).toContain('invalid characters');
-		expect(variableNameValidator('')).toContain('is required');
-		expect(variableNameValidator('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa_bc')).toContain('32 characters or less');
+		expect(variableNameValidator(i18n, '1')).toContain('invalid characters');
+		expect(variableNameValidator(i18n, 'fooBar&')).toContain('invalid characters');
+		expect(variableNameValidator(i18n, '1_')).toContain('invalid characters');
+		expect(variableNameValidator(i18n, '')).toContain('is required');
+		expect(variableNameValidator(i18n, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa_bc')).toContain('32 characters or less');
 	});
 });
diff --git a/model/src/validator/variable-name-validator.ts b/model/src/validator/variable-name-validator.ts
index 50ade5e..36d7c0c 100644
--- a/model/src/validator/variable-name-validator.ts
+++ b/model/src/validator/variable-name-validator.ts
@@ -1,14 +1,18 @@
+import { I18n } from '../i18n';
+
 const MAX_LENGTH = 32;
 
-export function variableNameValidator(name: string): string | null {
+export function variableNameValidator(i18n: I18n, name: string): string | null {
 	if (!name) {
-		return 'Variable name is required.';
+		return i18n('variableName.required', 'Variable name is required');
 	}
 	if (name.length > MAX_LENGTH) {
-		return `Variable name must be ${MAX_LENGTH} characters or less.`;
+		return i18n('variableName.maxLength', 'Variable name must be :n characters or less', {
+			n: String(MAX_LENGTH)
+		});
 	}
 	if (!/^[A-Za-z][a-zA-Z_0-9-]*$/.test(name)) {
-		return 'Variable name contains invalid characters.';
+		return i18n('variableName.invalidCharacters', 'Variable name contains invalid characters');
 	}
 	return null;
 }
diff --git a/model/src/value-models/nullable-variable-definition/nullable-variable-definition-value-model.ts b/model/src/value-models/nullable-variable-definition/nullable-variable-definition-value-model.ts
index f9a2ea0..7c266a6 100644
--- a/model/src/value-models/nullable-variable-definition/nullable-variable-definition-value-model.ts
+++ b/model/src/value-models/nullable-variable-definition/nullable-variable-definition-value-model.ts
@@ -43,7 +43,7 @@ export const createNullableVariableDefinitionValueModel = (
 				);
 			}
 			if (value) {
-				const nameError = variableNameValidator(value.name);
+				const nameError = variableNameValidator(context.i18n, value.name);
 				if (nameError) {
 					return createValidationSingleError(nameError);
 				}
diff --git a/model/src/value-models/variable-definitions/variable-definitions-value-model.ts b/model/src/value-models/variable-definitions/variable-definitions-value-model.ts
index 98cb4ea..5d3a250 100644
--- a/model/src/value-models/variable-definitions/variable-definitions-value-model.ts
+++ b/model/src/value-models/variable-definitions/variable-definitions-value-model.ts
@@ -36,7 +36,7 @@ export const createVariableDefinitionsValueModel = (
 			const value = context.getValue();
 
 			value.variables.forEach((variable, index) => {
-				const nameError = variableNameValidator(variable.name);
+				const nameError = variableNameValidator(context.i18n, variable.name);
 				if (nameError) {
 					errors[index] = nameError;
 					return;