diff --git a/test/Array/rlexe.xml b/test/Array/rlexe.xml
index 2c43b415751..4d0d1bf0a8c 100644
--- a/test/Array/rlexe.xml
+++ b/test/Array/rlexe.xml
@@ -281,6 +281,7 @@
     <default>
       <files>array_slice.js</files>
       <baseline>array_slice.baseline</baseline>
+      <timeout>300</timeout>
     </default>
   </test>
   <test>
diff --git a/test/typedarray/rlexe.xml b/test/typedarray/rlexe.xml
index e6957085b2f..376f79ab320 100644
--- a/test/typedarray/rlexe.xml
+++ b/test/typedarray/rlexe.xml
@@ -207,12 +207,14 @@ Below test fails with difference in space. Investigate the cause and re-enable t
     <default>
       <files>allocation.js</files>
       <tags>typedarray,exclude_arm,xplatslow</tags>
+      <timeout>300</timeout>
     </default>
   </test>
   <test>
     <default>
       <files>allocation2.js</files>
       <tags>typedarray,exclude_arm,xplatslow</tags>
+      <timeout>300</timeout>
     </default>
   </test>
   <test>