diff --git a/dm_control/mjcf/schema.xml b/dm_control/mjcf/schema.xml
index 26d08769..41eb9606 100644
--- a/dm_control/mjcf/schema.xml
+++ b/dm_control/mjcf/schema.xml
@@ -249,12 +249,14 @@
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@@ -550,12 +552,14 @@
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@@ -1968,6 +1972,15 @@
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