diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a6517dd728..be7d5a56620 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 - Fixed `fullWidth` size of `EuiComboBox`, a regression introduced in `4.7.0` ([#1314](https://github.com/elastic/eui/pull/1314))
 - Fixed error when passing empty string as `value` prop for `EuiSuperSelect` ([#1319](https://github.com/elastic/eui/pull/1319))
 - `EuiExpressionButton` now shows focus state when user tabs to it ([#1326](https://github.com/elastic/eui/pull/1326))
+- Added `baseline` as a possible value to `EuiFlexGroup`'s `FlexGroupAlignItems` type ([#1329](https://github.com/elastic/eui/pull/1329))
 
 ## [`5.1.0`](https://github.com/elastic/eui/tree/v5.1.0)
 
diff --git a/src/components/flex/index.d.ts b/src/components/flex/index.d.ts
index fc88b1e7ea7..d2ae1beefa0 100644
--- a/src/components/flex/index.d.ts
+++ b/src/components/flex/index.d.ts
@@ -31,7 +31,8 @@ declare module '@elastic/eui' {
     | 'stretch'
     | 'flexStart'
     | 'flexEnd'
-    | 'center';
+    | 'center'
+    | 'baseline';
   export type FlexGroupComponentType = 'div' | 'span';
   export type FlexGroupDirection =
     | 'column'