diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index 023690d..0b6f112 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -577,7 +577,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.thermal</name>
-        <version>1</version>
+        <version>2</version>
         <interface>
             <name>IThermal</name>
             <instance>default</instance>