diff --git a/LICENSE-THIRD-PARTY b/LICENSE-THIRD-PARTY
new file mode 100644
index 0000000..3cbeb88
--- /dev/null
+++ b/LICENSE-THIRD-PARTY
@@ -0,0 +1,31 @@
+This homebrew uses code from https://github.com/lettier/ntpclient under the following license:
+
+BSD 3-Clause License
+
+Copyright (c) 2014, David Lettier
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/source/ntcp.cpp b/source/ntcp.cpp
index ee617da..97e1f36 100644
--- a/source/ntcp.cpp
+++ b/source/ntcp.cpp
@@ -25,6 +25,8 @@ For more information, please refer to <http://unlicense.org>
 
 Additionally, the ntp_packet struct uses code licensed under the BSD 3-clause. See LICENSE-THIRD-PARTY for more information. */
 
+// This code comes from https://github.com/thedax/NX-ntpc, thank you for your work
+
 #include "ntcp.hpp"
 
 #include <cstring>