diff --git a/LICENSE.2 b/LICENSE.2
new file mode 100644
index 0000000..c26acd4
--- /dev/null
+++ b/LICENSE.2
@@ -0,0 +1,25 @@
+SMLNJ License
+
+/****************************************************************
+Copyright (C) 1997 Lucent Technologies
+All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and
+its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appear in all
+copies and that both that the copyright notice and this
+permission notice and warranty disclaimer appear in supporting
+documentation, and that the name of Lucent or any of its entities
+not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
+IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
+SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.
+****************************************************************/
diff --git a/README.md b/README.md
index 1d21d62..462a652 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,10 @@ To build other flavours of the library, replace the ```cmake ..``` command with:
 * **VS2017 32 bits:** `cmake .. -G "Visual Studio 15 2017"
 
 
-## License
+## Licenses
 
 BSD-3
+SMLNJ
 
 ***
 Copyright © 2023 AMPL Optimization inc. All rights reserved.