diff --git a/icu-filters/icudt_browser.json b/icu-filters/icudt_browser.json
index 7269fefefe1..998e36719ef 100644
--- a/icu-filters/icudt_browser.json
+++ b/icu-filters/icudt_browser.json
@@ -156,6 +156,7 @@
             "ms_BN",
             "ms_MY",
             "ms_SG",
+            "nb_NO",
             "nl_AW",
             "nl_BE",
             "nl_NL",
diff --git a/icu-filters/icudt_mobile.json b/icu-filters/icudt_mobile.json
index e08125cef74..ea039ae085c 100644
--- a/icu-filters/icudt_mobile.json
+++ b/icu-filters/icudt_mobile.json
@@ -156,6 +156,7 @@
             "ms_BN",
             "ms_MY",
             "ms_SG",
+            "nb_NO",
             "nl_AW",
             "nl_BE",
             "nl_NL",