diff --git a/js/src/builtin/intl/NumberingSystems.yaml b/js/src/builtin/intl/NumberingSystems.yaml
index 61d59304a9167..620e9f1829587 100644
--- a/js/src/builtin/intl/NumberingSystems.yaml
+++ b/js/src/builtin/intl/NumberingSystems.yaml
@@ -74,6 +74,7 @@
 - thai
 - tibt
 - tirh
+- tnsa
 - vaii
 - wara
 - wcho
diff --git a/js/src/builtin/intl/NumberingSystemsGenerated.h b/js/src/builtin/intl/NumberingSystemsGenerated.h
index fa970ab3488fd..c0d92f452f3b1 100644
--- a/js/src/builtin/intl/NumberingSystemsGenerated.h
+++ b/js/src/builtin/intl/NumberingSystemsGenerated.h
@@ -72,6 +72,7 @@
   "thai", \
   "tibt", \
   "tirh", \
+  "tnsa", \
   "vaii", \
   "wara", \
   "wcho"
diff --git a/js/src/tests/non262/Intl/shell.js b/js/src/tests/non262/Intl/shell.js
index 8a57340207c2b..994f3dd4ddf04 100644
--- a/js/src/tests/non262/Intl/shell.js
+++ b/js/src/tests/non262/Intl/shell.js
@@ -1,6 +1,6 @@
 // Generated by make_intl_data.py. DO NOT EDIT.
 
-// source: CLDR file common/bcp47/number.xml; version CLDR 39.
+// source: CLDR file common/bcp47/number.xml; version CLDR 40.
 // https://github.com/unicode-org/cldr/blob/master/common/bcp47/number.xml
 // https://github.com/unicode-org/cldr/blob/master/common/supplemental/numberingSystems.xml
 const numberingSystems = {
@@ -313,6 +313,10 @@ const numberingSystems = {
     "algorithmic": false,
     "digits": "𑓐𑓑𑓒𑓓𑓔𑓕𑓖𑓗𑓘𑓙"
   },
+  "tnsa": {
+    "algorithmic": false,
+    "digits": "𖫀𖫁𖫂𖫃𖫄𖫅𖫆𖫇𖫈𖫉"
+  },
   "vaii": {
     "algorithmic": false,
     "digits": "꘠꘡꘢꘣꘤꘥꘦꘧꘨꘩"