diff --git a/plugin/protocol/http/test/test_http_half.cpp b/plugin/protocol/http/test/test_http_half.cpp
index a27968d..aa2df56 100644
--- a/plugin/protocol/http/test/test_http_half.cpp
+++ b/plugin/protocol/http/test/test_http_half.cpp
@@ -1478,6 +1478,69 @@ TEST_F(HttpHalfResponseParser, GzipChunkResponseStream)
 	EXPECT_EQ(ret, 1);
 }
 
+static const char * __str_test_split_http_1 =
+    "GET http://download.bookset.me/d.php?f=2008/9/%5B%E6%97%A5%5D-%E4%B8%9C%E9%87%8E%E5%9C%AD%E5%90%BE-%E7%99%BD%E5%A4%9C%E8%A1%8C-9787544242516.epub HTTP/1.1\r\n"
+    "Host: download.bookset.me\r\n"
+    "Proxy-Connection: keep-alive\r\n"
+    "Pragma: no-cache\r\n"
+    "Cache-Control: no-cache\r\n"
+    "Upgrade-Insecure-Requests: 1\r\n"
+    "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36\r\n"
+    "DNT: 1\r\n"
+    "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8\r\n"
+    "Accept-Encoding: gzip, deflate";
+
+static const char * __str_test_split_http_2 =
+    "\r\nAccept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-US;q=0.7\r\n"
+    "Cookie: __cfduid=d9409925f352f688f4276a454c05a6b8e1548735697\r\n"
+    "\r\n";
+
+static const char * __str_test_split_http_resp_1 =
+    "\nHTTP/1.1 200 OK\r\n"
+    "Date: Tue, 29 Jan 2019 04:22:25 GMT\r\n"
+    "Content-Type: application/octet-stream\r\n"
+    "Content-Length: 491664\r\n"
+    "Connection: close\r\n"
+    "X-Powered-By: PHP/7.0.21\r\n"
+    "Content-Transfer-Encoding: Binary\r\n"
+    "Content-disposition: attachment; filename=87544242516.epub\r\n"
+    "Server: cloudflare\r\n"
+    "CF-RAY: 4a08eae2e77dc28d-FRA\r\n";
+
+TEST(HttpHalfRequestParser, SplitRequestAtHeader)
+{
+    auto * hf_request = hf_private_create(TFE_HTTP_REQUEST, 1, 1);
+    ASSERT_TRUE(hf_request != NULL);
+
+    /* First Part of HTTP Request */
+    int ret = hf_private_parse(hf_request, (const unsigned char *) __str_test_split_http_1,
+        strlen(__str_test_split_http_1));
+
+    EXPECT_EQ(ret, 0);
+    EXPECT_EQ(hf_request->parse_cursor, strlen(__str_test_split_http_1));
+
+    hf_request->parse_cursor = 0;
+
+    ret = hf_private_parse(hf_request, (const unsigned char *) __str_test_split_http_2,
+        strlen(__str_test_split_http_2));
+
+    EXPECT_EQ(ret, 1);
+    EXPECT_EQ(hf_request->parse_cursor, strlen(__str_test_split_http_2));
+}
+
+TEST(HttpHalfRequestParser, SplitResponseAtHeader)
+{
+    auto * hf_request = hf_private_create(TFE_HTTP_RESPONSE, 1, 1);
+    ASSERT_TRUE(hf_request != NULL);
+
+    /* First Part of HTTP Request */
+    int ret = hf_private_parse(hf_request, (const unsigned char *) __str_test_split_http_resp_1,
+        strlen(__str_test_split_http_resp_1));
+
+    EXPECT_EQ(ret, 0);
+    EXPECT_EQ(hf_request->parse_cursor, strlen(__str_test_split_http_resp_1));
+}
+
 void tfe_stream_write_access_log(const struct tfe_stream * stream, int level, const char * fmt, ...)
 {
 	return;
diff --git a/vendor/CMakeLists.txt b/vendor/CMakeLists.txt
index a0c4e2f..3d38e47 100644
--- a/vendor/CMakeLists.txt
+++ b/vendor/CMakeLists.txt
@@ -61,8 +61,8 @@ set_property(TARGET libevent-static-pthreads PROPERTY INTERFACE_INCLUDE_DIRECTOR
 
 ### http parser
 ExternalProject_Add(http-parser PREFIX http-parser
-        URL ${CMAKE_CURRENT_SOURCE_DIR}/http-parser-2.8.1.tar.gz
-        URL_MD5 cb8cbe17d68c4101eebe80229e32efdb
+        URL ${CMAKE_CURRENT_SOURCE_DIR}/http-parser-2.9.0.tar.gz
+        URL_MD5 203c6fbb7e24714fd22398f2a9c5c210
         CONFIGURE_COMMAND ""
         BUILD_COMMAND make package
         INSTALL_COMMAND ""
diff --git a/vendor/http-parser-2.8.1.tar.gz b/vendor/http-parser-2.8.1.tar.gz
deleted file mode 100644
index 85d2b5a..0000000
Binary files a/vendor/http-parser-2.8.1.tar.gz and /dev/null differ
diff --git a/vendor/http-parser-2.9.0.tar.gz b/vendor/http-parser-2.9.0.tar.gz
new file mode 100644
index 0000000..abc6d94
Binary files /dev/null and b/vendor/http-parser-2.9.0.tar.gz differ