diff --git a/standard-clojure-style.lua b/standard-clojure-style.lua
index 949301a..2f91700 100644
--- a/standard-clojure-style.lua
+++ b/standard-clojure-style.lua
@@ -1077,6 +1077,10 @@ local function isReferKeyword(node)
   return node and isString(node.text) and node.text == ":refer"
 end
 
+local function isDefaultKeyword(node)
+  return node and isString(node.text) and node.text == ":default"
+end
+
 local function isReferMacrosKeyword(node)
   return node and isString(node.text) and node.text == ":refer-macros"
 end
@@ -1916,6 +1920,7 @@ local function parseNs(nodesArr)
   local requireRenameIdx = -1
   local skipNodesUntilWeReachThisId = -1
   local sectionToAttachEolCommentsTo = nil
+  local nextTokenIsRequireDefaultSymbol = false
 
   while continueParsingNsForm do
     local node = nodesArr[idx]
@@ -2006,6 +2011,7 @@ local function parseNs(nodesArr)
       if referIdx > 0 and parenNestingDepth < referParenNestingDepth then
         referIdx = -1
         referParenNestingDepth = -1
+        nextTokenIsRequireDefaultSymbol = false
       end
       if insideRequireForm and requireSymbolIdx > 0 then
         requireSymbolIdx = -1
@@ -2482,6 +2488,10 @@ local function parseNs(nodesArr)
       referIdx = idx
       referParenNestingDepth = parenNestingDepth
 
+    -- is this :require :default ?
+    elseif idx > requireNodeIdx and insideRequireForm and isTokenNode2 and isDefaultKeyword(node) then
+      nextTokenIsRequireDefaultSymbol = true
+
     -- collect :require :exclude symbols
     elseif
       idx > requireNodeIdx
@@ -2510,6 +2520,11 @@ local function parseNs(nodesArr)
     elseif idx > referIdx and insideRequireForm and isTokenNode2 and isAllNode(node) then
       result.requires[activeRequireIdx].refer = "all"
 
+    -- collect :refer :default symbol
+    elseif idx > referIdx and insideRequireForm and isTokenNode2 and nextTokenIsRequireDefaultSymbol then
+      result.requires[activeRequireIdx].default = node.text
+      nextTokenIsRequireDefaultSymbol = false
+
     -- collect :require :refer symbols
     elseif
       idx > referIdx
@@ -2979,10 +2994,12 @@ function formatRequireLine(req, initialIndentation)
   outTxt = strConcat3(outTxt, "[", req.symbol)
   if isString(req.as) and req.as ~= "" then
     outTxt = strConcat3(outTxt, " :as ", req.as)
-  end
-  if isString(req.asAlias) and req.asAlias ~= "" then
+  elseif isString(req.asAlias) and req.asAlias ~= "" then
     outTxt = strConcat3(outTxt, " :as-alias ", req.asAlias)
+  elseif isString(req.default) and req.default ~= "" then
+    outTxt = strConcat3(outTxt, " :default ", req.default)
   end
+
   -- NOTE: this will not work if the individual :refer symbols are wrapped in a reader conditional
   if isArray(req.refer) and arraySize(req.refer) > 0 then
     outTxt = strConcat(outTxt, " :refer [")
diff --git a/test_cases/format_tests.json b/test_cases/format_tests.json
index 81e0a35..594e406 100644
--- a/test_cases/format_tests.json
+++ b/test_cases/format_tests.json
@@ -764,6 +764,11 @@
     "input": "(ns ^{:doc \"ClojureScript wrapper functions for math operations\"\n      :author \"Paula Gearon\" }\n    cljs.math\n  ;; create space to load this in Clojure for testing\n  #?@(:clj ((:refer-clojure :exclude [aset aget + unsigned-bit-shift-right bit-shift-right bit-shift-left])\n            (:require [js :refer [aset aget +]])\n            (:import [js ArrayBuffer Uint8Array Uint32Array Float64Array]))))",
     "expected": "(ns cljs.math\n  {:doc \"ClojureScript wrapper functions for math operations\"\n   :author \"Paula Gearon\"}\n  #?(:clj\n     ;; create space to load this in Clojure for testing\n     (:refer-clojure :exclude [+ aget aset bit-shift-left bit-shift-right unsigned-bit-shift-right]))\n  #?(:clj\n     (:require\n      [js :refer [+ aget aset]]))\n  #?(:clj\n     (:import\n      (js ArrayBuffer Float64Array Uint32Array Uint8Array))))"
   },
+  {
+    "name": "GitHub Issue #158 - ClojureScript require default",
+    "input": "(ns com.example.my-app\n  (:require\n       [\"react-select\" :default Select]\n       [\"react-dropzone\" :default Dropzone]\n       [\"react-select/creatable\" :default CreatableSelect]))",
+    "expected": "(ns com.example.my-app\n  (:require\n   [\"react-dropzone\" :default Dropzone]\n   [\"react-select\" :default Select]\n   [\"react-select/creatable\" :default CreatableSelect]))"
+  },
   {
     "name": "Trim trailing whitespace 1",
     "input": "(def aaa \"aaa\")   ",
diff --git a/test_cases/parse_ns_tests.json b/test_cases/parse_ns_tests.json
index 9b0c448..6e9f617 100644
--- a/test_cases/parse_ns_tests.json
+++ b/test_cases/parse_ns_tests.json
@@ -338,5 +338,10 @@
     "name": "GitHub Issue #142 - cljs.math reader conditional example",
     "input": "(ns ^{:doc \"ClojureScript wrapper functions for math operations\"\n      :author \"Paula Gearon\" }\n    cljs.math\n  ;; create space to load this in Clojure for testing\n  #?@(:clj ((:refer-clojure :exclude [aset aget + unsigned-bit-shift-right bit-shift-right bit-shift-left])\n            (:require [js :refer [aset aget +]])\n            (:import [js ArrayBuffer Uint8Array Uint32Array Float64Array]))))\n\n#?(:clj (def number Double))",
     "expected": "{\n  \"nsSymbol\": \"cljs.math\",\n  \"nsMetadata\": [\n    {\n      \"key\": \":doc\",\n      \"value\": \"\\\"ClojureScript wrapper functions for math operations\\\"\"\n    },\n    {\n      \"key\": \":author\",\n      \"value\": \"\\\"Paula Gearon\\\"\"\n    }\n  ],\n  \"referClojureCommentsAbove\": [\n    \";; create space to load this in Clojure for testing\"\n  ],\n  \"referClojure\": {\n    \"exclude\": [\n      { \"symbol\": \"+\", \"platform\": \":clj\" },\n      { \"symbol\": \"aget\", \"platform\": \":clj\" },\n      { \"symbol\": \"aset\", \"platform\": \":clj\" },\n      { \"symbol\": \"bit-shift-left\", \"platform\": \":clj\" },\n      { \"symbol\": \"bit-shift-right\", \"platform\": \":clj\" },\n      { \"symbol\": \"unsigned-bit-shift-right\", \"platform\": \":clj\" }\n    ]\n  },\n  \"requires\": [\n    {\n      \"symbol\": \"js\",\n      \"refer\": [\n        {\"symbol\": \"+\"},\n        {\"symbol\": \"aget\"},\n        {\"symbol\": \"aset\"}\n      ],\n      \"platform\": \":clj\"\n    }\n  ],\n  \"imports\": [\n    {\n      \"package\": \"js\",\n      \"classes\": [\"ArrayBuffer\", \"Float64Array\", \"Uint32Array\", \"Uint8Array\"],\n      \"platform\": \":clj\"\n    }\n  ]\n}"
+  },
+  {
+    "name": "GitHub Issue #158 - ClojureScript require default",
+    "input": "(ns com.example.my-app\n  (:require\n       [\"react-dropzone\" :default Dropzone]\n       [\"react-select\" :default Select]\n       [\"react-select/creatable\" :default CreatableSelect]))",
+    "expected": "{\n  \"nsSymbol\": \"com.example.my-app\",\n  \"requires\": [\n    {\n      \"symbol\": \"\\\"react-dropzone\\\"\",\n      \"symbolIsString\": true,\n      \"default\": \"Dropzone\"\n    },\n    {\n      \"symbol\": \"\\\"react-select\\\"\",\n      \"symbolIsString\": true,\n      \"default\": \"Select\"\n    },\n    {\n      \"symbol\": \"\\\"react-select/creatable\\\"\",\n      \"symbolIsString\": true,\n      \"default\": \"CreatableSelect\"\n    }\n  ]\n}"
   }
 ]