diff --git a/lerna.json b/lerna.json
index 1dd5d3b..82d2718 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,7 +1,7 @@
 {
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "2.0.0-alpha.3",
+  "version": "2.0.0-alpha.4",
   "packages": [
     "packages/*"
   ]
diff --git a/packages/docs/package.json b/packages/docs/package.json
index b1852e8..5cfcea6 100644
--- a/packages/docs/package.json
+++ b/packages/docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-mention-docs",
-  "version": "0.1.7",
+  "version": "2.0.0-alpha.4",
   "private": true,
   "scripts": {
     "dev": "vuepress dev src",
diff --git a/packages/test-e2e/package.json b/packages/test-e2e/package.json
index 0de3300..43eaa19 100644
--- a/packages/test-e2e/package.json
+++ b/packages/test-e2e/package.json
@@ -1,6 +1,6 @@
 {
   "name": "test-e2e",
-  "version": "2.0.0-alpha.3",
+  "version": "2.0.0-alpha.4",
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve",
@@ -13,7 +13,7 @@
     "core-js": "^3.6.4",
     "floating-vue": "^2.0.0-beta.1",
     "vue": "^3.2.26",
-    "vue-mention": "^2.0.0-alpha.1",
+    "vue-mention": "^2.0.0-alpha.4",
     "vue-router": "^4.0.12"
   },
   "devDependencies": {
diff --git a/packages/test-e2e/src/router.js b/packages/test-e2e/src/router.js
index 2b8153c..d0d1e61 100644
--- a/packages/test-e2e/src/router.js
+++ b/packages/test-e2e/src/router.js
@@ -45,6 +45,10 @@ const routes = [
     path: '/content-editable',
     component: () => import('./views/ContentEditable.vue'),
   },
+  {
+    path: '/allow-space',
+    component: () => import('./views/AllowSpace.vue'),
+  },
 ]
 
 const router = createRouter({
diff --git a/packages/test-e2e/src/views/AllowSpace.vue b/packages/test-e2e/src/views/AllowSpace.vue
new file mode 100644
index 0000000..9a6efaf
--- /dev/null
+++ b/packages/test-e2e/src/views/AllowSpace.vue
@@ -0,0 +1,50 @@
+<script>
+export default {
+  data () {
+    return {
+      text: '',
+      items: [
+        {
+          value: 'akryum',
+          firstName: 'Guillaume',
+        },
+        {
+          value: 'posva',
+          firstName: 'Eduardo',
+        },
+        {
+          value: 'space invader',
+          firstName: 'Space Invader',
+        },
+      ],
+    }
+  },
+}
+</script>
+
+<template>
+  <div
+    class="demo"
+  >
+    <Mentionable
+      :keys="['@']"
+      :items="items"
+      allow-space
+      popper-class="defaults-mention"
+    >
+      <textarea
+        v-model="text"
+        rows="6"
+        class="input"
+      />
+    </Mentionable>
+
+    <div class="preview">{{ text }}</div>
+  </div>
+</template>
+
+<style>
+.defaults-mention .mention-selected {
+  background: #aaffc7;
+}
+</style>
diff --git a/packages/test-e2e/tests/e2e/specs/allow-space.js b/packages/test-e2e/tests/e2e/specs/allow-space.js
new file mode 100644
index 0000000..a918534
--- /dev/null
+++ b/packages/test-e2e/tests/e2e/specs/allow-space.js
@@ -0,0 +1,22 @@
+describe('with allow-space prop', () => {
+  it('shows suggestions after typing mention containing space', () => {
+    cy.visit('/allow-space')
+    cy.get('.input').type('abc @space in')
+    cy.get('.v-popper__popper').should('be.visible')
+      .should('contain', 'space invader')
+    cy.get('.input').type('{enter}')
+    cy.get('.preview').should('contain', '@space invader')
+  })
+
+  it.only('do not show suggestions when deleting applied mention', () => {
+    cy.visit('/allow-space')
+    cy.get('.input').type('abc @space in')
+    cy.get('.v-popper__popper').should('be.visible')
+      .should('contain', 'space invader')
+    cy.get('.input').type('{enter}')
+    cy.get('.input')
+      .type('{backspace}'.repeat(14))
+    cy.get('.v-popper__popper').should('not.be.visible')
+    cy.get('.preview').should('not.contain', '@space invader')
+  })
+})
diff --git a/packages/vue-mention/src/Mentionable.vue b/packages/vue-mention/src/Mentionable.vue
index 98ea7c8..be11727 100644
--- a/packages/vue-mention/src/Mentionable.vue
+++ b/packages/vue-mention/src/Mentionable.vue
@@ -49,6 +49,11 @@ export default defineComponent({
       default: false,
     },
 
+    allowSpace: {
+      type: Boolean,
+      default: false,
+    },
+
     mapInsert: {
       type: Function as PropType<(item: MentionItem, key: string) => string>,
       default: null,
@@ -76,7 +81,7 @@ export default defineComponent({
     const currentKey = ref<string>(null)
     let currentKeyIndex: number
     const oldKey = ref<string>(null)
-
+    const isMentioning = ref<boolean>(false)
     // Items
 
     const searchText = ref<string>(null)
@@ -256,10 +261,15 @@ export default defineComponent({
       if (index >= 0) {
         const { key, keyIndex } = getLastKeyBeforeCaret(index)
         const text = lastSearchText = getLastSearchText(index, keyIndex)
+        // Makes sure that key is not first character in editable element and
+        // that there is a space before the key. Returns false if these conditions are
+        // not met
         if (!(keyIndex < 1 || /\s/.test(getValue()[keyIndex - 1]))) {
           return false
         }
-        if (text != null) {
+        const keyIsBeforeCaret = getValue()[index - 1] === key
+        const shouldOpen = props.allowSpace ? isMentioning.value || keyIsBeforeCaret : true
+        if (text != null && shouldOpen) {
           openMenu(key, keyIndex)
           searchText.value = text
           return true
@@ -280,6 +290,9 @@ export default defineComponent({
     function getLastSearchText (caretIndex: number, keyIndex: number) {
       if (keyIndex !== -1) {
         const text = getValue().substring(keyIndex + 1, caretIndex)
+        if (props.allowSpace) {
+          return text.trim()
+        }
         // If there is a space we close the menu
         if (!/\s/.test(text)) {
           return text
@@ -323,6 +336,7 @@ export default defineComponent({
         updateCaretPosition()
         selectedIndex.value = 0
         emit('open', currentKey.value)
+        isMentioning.value = true
       }
     }
 
@@ -330,6 +344,7 @@ export default defineComponent({
       if (currentKey.value != null) {
         oldKey.value = currentKey.value
         currentKey.value = null
+        isMentioning.value = false
         emit('close', oldKey.value)
       }
     }
@@ -362,6 +377,7 @@ export default defineComponent({
       el,
       currentKey,
       oldKey,
+      isMentioning,
       caretPosition,
       displayedItems,
       selectedIndex,