diff --git a/taylor-and-francis-acs.csl b/taylor-and-francis-acs.csl
index d2634087789..433fd80b87d 100644
--- a/taylor-and-francis-acs.csl
+++ b/taylor-and-francis-acs.csl
@@ -14,7 +14,7 @@
     <category field="chemistry"/>
     <category field="generic-base"/>
     <summary>The American Chemical Society style for Taylor &amp; Francis journals.</summary>
-    <updated>2019-06-13T12:53:43+00:00</updated>
+    <updated>2022-01-14T12:53:43+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -125,7 +125,7 @@
     <sort>
       <key variable="citation-number"/>
     </sort>
-    <layout vertical-align="baseline" delimiter=", " prefix="[" suffix="]">
+    <layout vertical-align="baseline" delimiter=", " prefix="[" suffix="]" vertical-align="sup">
       <text variable="citation-number"/>
     </layout>
   </citation>