diff --git a/types/rebass/index.d.ts b/types/rebass/index.d.ts
index aae5915751..d59fae624f 100644
--- a/types/rebass/index.d.ts
+++ b/types/rebass/index.d.ts
@@ -91,6 +91,7 @@ interface TextKnownProps
     extends BoxKnownProps,
         StyledSystem.FontFamilyProps,
         StyledSystem.FontWeightProps,
+        StyledSystem.FontStyleProps,
         StyledSystem.TextAlignProps,
         StyledSystem.LineHeightProps,
         StyledSystem.LetterSpacingProps {}
diff --git a/types/rebass/rebass-tests.tsx b/types/rebass/rebass-tests.tsx
index 3b4b471c87..1961559b46 100644
--- a/types/rebass/rebass-tests.tsx
+++ b/types/rebass/rebass-tests.tsx
@@ -35,7 +35,7 @@ export default () => (
             <Heading fontSize={5} fontWeight="bold">
                 Hi, I'm a heading.
             </Heading>
-            <Text as="p" fontSize={3} lineHeight="1em" letterSpacing="1rem">
+            <Text as="p" fontSize={3} lineHeight="1em" letterSpacing="1rem" fontStyle="italic">
                 Hi, I'm text.
             </Text>
             <Card