diff --git a/ui/.browserslistrc b/ui/.browserslistrc
new file mode 100644
index 000000000..e8ec33b68
--- /dev/null
+++ b/ui/.browserslistrc
@@ -0,0 +1,11 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+IE 11
\ No newline at end of file