diff --git a/components/button/i18n/en.pot b/components/button/i18n/en.pot
new file mode 100644
index 0000000000..64cc7e89f6
--- /dev/null
+++ b/components/button/i18n/en.pot
@@ -0,0 +1,12 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: i18next-conv\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+"POT-Creation-Date: 2024-06-03T15:53:41.329Z\n"
+"PO-Revision-Date: 2024-06-03T15:53:41.329Z\n"
+
+msgid "Toggle dropdown"
+msgstr "Toggle dropdown"
diff --git a/components/button/src/split-button/split-button.js b/components/button/src/split-button/split-button.js
index afefeffbec..acde0d69ae 100644
--- a/components/button/src/split-button/split-button.js
+++ b/components/button/src/split-button/split-button.js
@@ -29,6 +29,7 @@ class SplitButton extends Component {
     componentWillUnmount() {
         document.removeEventListener('keydown', this.handleKeyDown)
     }
+
     handleKeyDown = (event) => {
         if (event.key === 'Escape' && this.state.open) {
             event.preventDefault()
@@ -38,6 +39,27 @@ class SplitButton extends Component {
         }
     }
 
+    handleButtonKeyDown = (event) => {
+        if (event.key === 'Enter') {
+            event.preventDefault()
+            this.onClick(
+                {
+                    name: this.props.name,
+                    value: this.props.value,
+                    open: this.state.open,
+                },
+                event
+            )
+        }
+    }
+
+    handleToggleKeyDown = (event) => {
+        if (event.key === 'Enter' || event.key === ' ') {
+            event.preventDefault()
+            this.onToggle()
+        }
+    }
+
     onClick = (payload, event) => {
         if (this.props.onClick) {
             this.props.onClick(
@@ -96,6 +118,7 @@ class SplitButton extends Component {
                     className={cx(className)}
                     initialFocus={initialFocus}
                     dataTest={`${dataTest}-button`}
+                    onKeyDown={this.handleButtonKeyDown}
                 >
                     {children}
                 </Button>
@@ -116,6 +139,7 @@ class SplitButton extends Component {
                     dataTest={`${dataTest}-toggle`}
                     title={i18n.t('Toggle dropdown')}
                     aria-label={i18n.t('Toggle dropdown')}
+                    onKeyDown={this.handleToggleKeyDown}
                 >
                     {arrow}
                 </Button>