diff --git a/lib/rules/property-no-unknown/__tests__/index.js b/lib/rules/property-no-unknown/__tests__/index.js
index 9df57aca9b..010c409985 100644
--- a/lib/rules/property-no-unknown/__tests__/index.js
+++ b/lib/rules/property-no-unknown/__tests__/index.js
@@ -229,6 +229,16 @@ testRule(rule, {
     },
     {
       code: "const Component = styled.a`\n\t${rule}: 1;\n`"
+    },
+    {
+      code: `
+        import glm from 'glamorous';
+        const Component = glm.a({
+            overflowX: 'auto',
+            overflowWrap: 'auto',
+            flexDirection: 'row',
+        });
+      `
     }
   ],
 
@@ -251,6 +261,17 @@ testRule(rule, {
       message: messages.rejected("rule"),
       line: 2,
       column: 2
+    },
+    {
+      code: `
+        import glm from 'glamorous';
+        const Component = glm.a({
+            overflwX: 'auto',
+        });
+      `,
+      message: messages.rejected("overflw-x"),
+      line: 4,
+      column: 12
     }
   ]
 });
diff --git a/package.json b/package.json
index 1471835fc5..3802952b98 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "pify": "^4.0.1",
     "postcss": "^7.0.14",
     "postcss-html": "^0.36.0",
-    "postcss-jsx": "^0.36.2",
+    "postcss-jsx": "^0.36.3",
     "postcss-less": "^3.1.4",
     "postcss-markdown": "^0.36.0",
     "postcss-media-query-parser": "^0.2.3",