diff --git a/appveyor.yml b/appveyor.yml
index e8959da..07dbc35 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,7 +7,7 @@ shallow_clone: true
 
 environment:
   LR_EXTERNAL: c:\external
-  CURL_VER: 7.62.0
+  CURL_VER: 7.63.0
 
   matrix:
   - LUA: "lua 5.1"
diff --git a/src/lceasy.c b/src/lceasy.c
index 620b157..52e88a8 100644
--- a/src/lceasy.c
+++ b/src/lceasy.c
@@ -16,6 +16,7 @@
 #include "lcshare.h"
 #include "lcmulti.h"
 #include "lcmime.h"
+#include "lcurlapi.h"
 #include <memory.h>
 
 static const char *LCURL_ERROR_TAG = "LCURL_ERROR_TAG";
@@ -82,6 +83,9 @@ int lcurl_easy_create(lua_State *L, int error_mode){
   p->multi            = NULL;
 #if LCURL_CURL_VER_GE(7,56,0)
   p->mime             = NULL;
+#endif
+#if LCURL_CURL_VER_GE(7,63,0)
+  p->url              = NULL;
 #endif
   p->storage          = lcurl_storage_init(L);
   p->wr.cb_ref        = p->wr.ud_ref    = LUA_NOREF;
@@ -151,6 +155,10 @@ static int lcurl_easy_cleanup(lua_State *L){
   p->mime = NULL;
 #endif
 
+#if LCURL_CURL_VER_GE(7,63,0)
+  p->url = NULL;
+#endif
+
   if(p->storage != LUA_NOREF){
     p->storage = lcurl_storage_free(L, p->storage);
   }
@@ -539,6 +547,25 @@ static int lcurl_easy_set_MIMEPOST(lua_State *L){
 
 #endif
 
+#if LCURL_CURL_VER_GE(7,63,0)
+
+static int lcurl_easy_set_CURLU(lua_State *L) {
+  lcurl_easy_t *p = lcurl_geteasy(L);
+  lcurl_url_t *url = lcurl_geturl_at(L, 2);
+  CURLcode code = curl_easy_setopt(p->curl, CURLOPT_CURLU, url->url);
+  if (code != CURLE_OK) {
+    return lcurl_fail_ex(L, p->err_mode, LCURL_ERROR_EASY, code);
+  }
+
+  lcurl_storage_preserve_iv(L, p->storage, CURLOPT_CURLU, 2);
+
+  p->url = url;
+
+  lua_settop(L, 1);
+  return 1;
+}
+
+#endif
 //}
 
 //{ unset
@@ -907,6 +934,25 @@ static int lcurl_easy_unset_MIMEPOST(lua_State *L){
 
 #endif
 
+#if LCURL_CURL_VER_GE(7,63,0)
+
+static int lcurl_easy_unset_CURLU(lua_State *L) {
+  lcurl_easy_t *p = lcurl_geteasy(L);
+  CURLcode code = curl_easy_setopt(p->curl, CURLOPT_CURLU, NULL);
+  if (code != CURLE_OK) {
+    return lcurl_fail_ex(L, p->err_mode, LCURL_ERROR_EASY, code);
+  }
+
+  lcurl_storage_remove_i(L, p->storage, CURLOPT_CURLU);
+
+  p->url = NULL;
+
+  lua_settop(L, 1);
+  return 1;
+}
+
+#endif
+
 //}
 
 //}
@@ -1731,6 +1777,9 @@ static const struct luaL_Reg lcurl_easy_methods[] = {
 #if LCURL_CURL_VER_GE(7,56,0)
   OPT_ENTRY(mimepost,          MIMEPOST,         TTT, 0, 0)
 #endif
+#if LCURL_CURL_VER_GE(7,63,0)
+  OPT_ENTRY(curlu,             CURLU,            TTT, 0, 0)
+#endif
 #undef OPT_ENTRY
 
 #define OPT_ENTRY(L, N, T, S, D) { "unsetopt_"#L, lcurl_easy_unset_##N },
@@ -1756,6 +1805,9 @@ static const struct luaL_Reg lcurl_easy_methods[] = {
 #if LCURL_CURL_VER_GE(7,56,0)
   OPT_ENTRY(mimepost,          MIMEPOST,         TTT, 0, 0)
 #endif
+#if LCURL_CURL_VER_GE(7,63,0)
+  OPT_ENTRY(curlu,             CURLU,            TTT, 0, 0)
+#endif
 #undef OPT_ENTRY
 
 #define OPT_ENTRY(L, N, T, S) { "getinfo_"#L, lcurl_easy_get_##N },
@@ -1813,6 +1865,9 @@ static const lcurl_const_t lcurl_easy_opt[] = {
 #if LCURL_CURL_VER_GE(7,56,0)
   OPT_ENTRY(mimepost,          MIMEPOST,         TTT, 0, 0)
 #endif
+#if LCURL_CURL_VER_GE(7,63,0)
+  OPT_ENTRY(curlu,             CURLU,            TTT, 0, 0)
+#endif
 #undef OPT_ENTRY
 #undef FLG_ENTRY
 
diff --git a/src/lceasy.h b/src/lceasy.h
index 7c95668..e4d3776 100644
--- a/src/lceasy.h
+++ b/src/lceasy.h
@@ -38,17 +38,24 @@ enum {
 #define LCURL_EASY_MAGIC 0xEA
 
 #if LCURL_CC_SUPPORT_FORWARD_TYPEDEF
-typedef struct lcurl_multi_tag lcurl_multi_t;
-#if LCURL_CURL_VER_GE(7,56,0)
-typedef struct lcurl_mime_tag lcurl_mime_t;
-#endif
+  typedef struct lcurl_multi_tag lcurl_multi_t;
+  #if LCURL_CURL_VER_GE(7,56,0)
+    typedef struct lcurl_mime_tag lcurl_mime_t;
+  #endif
+  #if LCURL_CURL_VER_GE(7,63,0)
+    typedef struct lcurl_url_tag lcurl_url_t;
+  #endif
 #else
-struct lcurl_multi_tag;
-#define lcurl_multi_t struct lcurl_multi_tag
-#if LCURL_CURL_VER_GE(7,56,0)
-struct lcurl_mime_tag;
-#define lcurl_mime_t struct lcurl_mime_tag
-#endif
+  struct lcurl_multi_tag;
+  #define lcurl_multi_t struct lcurl_multi_tag
+  #if LCURL_CURL_VER_GE(7,56,0)
+    struct lcurl_mime_tag;
+    #define lcurl_mime_t struct lcurl_mime_tag
+  #endif
+  #if LCURL_CURL_VER_GE(7,63,0)
+    struct lcurl_url_tag;
+    #define lcurl_url_t struct lcurl_url_tag
+  #endif
 #endif
 
 typedef struct lcurl_easy_tag{
@@ -66,6 +73,10 @@ typedef struct lcurl_easy_tag{
   lcurl_mime_t *mime;
 #endif
 
+#if LCURL_CURL_VER_GE(7,63,0)
+  lcurl_url_t *url;
+#endif
+
   CURL *curl;
   int storage;
   int lists[LCURL_LIST_COUNT];
diff --git a/src/lcopteasy.h b/src/lcopteasy.h
index 225bea5..166b07d 100644
--- a/src/lcopteasy.h
+++ b/src/lcopteasy.h
@@ -441,7 +441,7 @@ OPT_ENTRY( timevalue_large,          TIMEVALUE_LARGE          ,OFF, 0, LCURL_DEF
 
 #if LCURL_CURL_VER_GE(7,60,0)
 OPT_ENTRY(dns_shuffle_addresses, DNS_SHUFFLE_ADDRESSES, LNG, 0, LCURL_DEFAULT_VALUE)
-OPT_ENTRY(haproxyprotocol, HAPROXYPROTOCOL, LNG, 0, LCURL_DEFAULT_VALUE)
+OPT_ENTRY(haproxyprotocol,       HAPROXYPROTOCOL,       LNG, 0, LCURL_DEFAULT_VALUE)
 #endif
 
 #if LCURL_CURL_VER_GE(7,61,0)
diff --git a/src/lcurlapi.c b/src/lcurlapi.c
index a0f5f51..edbffa8 100644
--- a/src/lcurlapi.c
+++ b/src/lcurlapi.c
@@ -21,12 +21,6 @@ static const char *LCURL_URL = LCURL_URL_NAME;
 
 #define lcurl_geturl(L) lcurl_geturl_at(L, 1)
 
-typedef struct lcurl_url_tag{
-  CURLU *url;
-
-  int err_mode;
-}lcurl_url_t;
-
 int lcurl_url_create(lua_State *L, int error_mode){
   lcurl_url_t *p;
 
@@ -55,7 +49,7 @@ int lcurl_url_create(lua_State *L, int error_mode){
   return 1;
 }
 
-static lcurl_url_t *lcurl_geturl_at(lua_State *L, int i){
+lcurl_url_t *lcurl_geturl_at(lua_State *L, int i){
   lcurl_url_t *p = (lcurl_url_t *)lutil_checkudatap (L, i, LCURL_URL);
   luaL_argcheck (L, p != NULL, 1, LCURL_URL_NAME" object expected");
   return p;
diff --git a/src/lcurlapi.h b/src/lcurlapi.h
index bdf358b..58b4efd 100644
--- a/src/lcurlapi.h
+++ b/src/lcurlapi.h
@@ -17,6 +17,18 @@
 
 void lcurl_url_initlib(lua_State *L, int nup);
 
+#if LCURL_CURL_VER_GE(7,62,0)
+
+typedef struct lcurl_url_tag {
+  CURLU *url;
+
+  int err_mode;
+}lcurl_url_t;
+
 int lcurl_url_create(lua_State *L, int error_mode);
 
+lcurl_url_t *lcurl_geturl_at(lua_State *L, int i);
+
+#endif
+
 #endif
\ No newline at end of file
diff --git a/test/test_curl.lua b/test/test_curl.lua
index ca7d806..ce6a44a 100644
--- a/test/test_curl.lua
+++ b/test/test_curl.lua
@@ -20,20 +20,11 @@ local fname      = "./test.download"
 
 local utils = require "utils"
 
-local is_curl_ge = utils.is_curl_ge
-
-local function weak_ptr(val)
-  return setmetatable({value = val},{__mode = 'v'})
-end
-
-local function gc_collect()
-  for i = 1, 5 do
-    collectgarbage("collect")
-  end
-end
+local weak_ptr, gc_collect, is_curl_ge, is_curl_eq, read_file, stream, Stream, dump_request =
+  utils.import('weak_ptr', 'gc_collect', 'is_curl_ge', 'is_curl_eq', 'read_file', 'stream', 'Stream', 'dump_request')
 
 -- Bug. libcurl 7.56.0 does not add `Content-Type: text/plain`
-local text_plain = utils.is_curl_eq(7,56,0) and 'test/plain' or 'text/plain'
+local text_plain = is_curl_eq(7,56,0) and 'test/plain' or 'text/plain'
 
 local GET_URL = "http://127.0.0.1:7090/get"
 
diff --git a/test/test_urlapi.lua b/test/test_urlapi.lua
index bbba08b..ff0ab82 100644
--- a/test/test_urlapi.lua
+++ b/test/test_urlapi.lua
@@ -15,6 +15,12 @@ local skip        = lunit.skip or function() end
 local curl        = require "cURL"
 local scurl       = require "cURL.safe"
 local utils       = require "utils"
+local json        = require "dkjson"
+local table       = table
+
+local weak_ptr, gc_collect, is_curl_eq = utils.import('weak_ptr', 'gc_collect', 'is_curl_eq')
+
+local GET_URL  = "http://127.0.0.1:7090/get"
 
 local tostring, pcall = tostring, pcall
 
@@ -150,7 +156,11 @@ end)
 it('should append only one parameter in query per call', function()
   url = U"http://example.com"
   assert_equal(url, url:set_query("a=hello world&b=A&B", curl.U_APPENDQUERY + curl.U_URLENCODE))
-  assert_equal("http://example.com/?a=hello+world%26b=A%26B", url:get_url())
+  if is_curl_eq(7, 62, 0) then
+    assert_equal("http://example.com/?a=hello+world%26b=A%26B", url:get_url())
+  else
+    assert_equal("http://example.com/?a=hello+world%26b%3dA%26B", url:get_url())
+  end
 end)
 
 it('should set encoded query', function()
@@ -203,4 +213,87 @@ end)
 
 end end
 
+local _ENV = TEST_CASE'curlu parameter' if ENABLE then
+
+if not curl.OPT_CURLU then test = skip_case('CURLU option avaliable since libcurl 7.63.0') else
+
+local it = setmetatable(_ENV or _M, {__call = function(self, describe, fn)
+  self["test " .. describe] = fn
+end})
+
+local url, easy, buffer
+
+local function writer(chunk)
+  table.insert(buffer, chunk)
+end
+
+local function json_data()
+  return json.decode(table.concat(buffer))
+end
+
+local function U(u)
+  url = assert_userdata(curl.url())
+  assert_equal(url, url:set_url(u))
+  return url
+end
+
+function setup()
+  buffer = {}
+end
+
+function teardown()
+  if url then url:cleanup() end
+  if easy then easy:close() end
+  url = nil
+end
+
+it('easy should prevent url from gc', function()
+  local purl
+  do 
+    easy = curl.easy()
+    local url = U(GET_URL)
+    assert_equal(easy, easy:setopt_curlu(url))
+    purl = weak_ptr(url)
+  end
+
+  gc_collect()
+  assert_not_nil(purl.value)
+
+  assert_equal(easy, easy:unsetopt_curlu())
+
+  gc_collect()
+  assert_not_nil(purl.value)
+end)
+
+it('should use url from curlu parameter', function()
+  url = U(GET_URL)
+  easy = curl.easy {curlu = url, writefunction = writer}
+  assert_equal(easy, easy:perform())
+  local response = assert_table(json_data())
+  assert_equal(GET_URL, response.url)
+end)
+
+it('should be possible reset url', function()
+  url = U("http://example.com")
+  easy = curl.easy {curlu = url, writefunction = writer}
+  url:set_url(GET_URL)
+
+  assert_equal(easy, easy:perform())
+  local response = assert_table(json_data())
+  assert_equal(GET_URL, response.url)
+end)
+
+it('should be possible reuse url', function()
+  url = U(GET_URL)
+  for i = 1, 5 do
+    local easy = curl.easy {curlu = url, writefunction = writer}
+    assert_equal(easy, easy:perform())
+    local response = assert_table(json_data())
+    assert_equal(GET_URL, response.url)
+    gc_collect()
+  end
+end)
+
+end end
+
 RUN()
diff --git a/test/utils.lua b/test/utils.lua
index bc50ca9..0f81751 100644
--- a/test/utils.lua
+++ b/test/utils.lua
@@ -4,9 +4,10 @@ local function weak_ptr(val)
   return setmetatable({value = val},{__mode = 'v'})
 end
 
-local function gc_collect()
-  collectgarbage("collect")
-  collectgarbage("collect")
+local function gc_collect(n)
+  for i = 1, (n or 2) do
+    collectgarbage("collect")
+  end
 end
 
 local function cver(min, maj, pat)