diff --git a/tools/external_crates/license_checker/src/content_checker.rs b/tools/external_crates/license_checker/src/content_checker.rs
index 7e3a144bff..6f371056a6 100644
--- a/tools/external_crates/license_checker/src/content_checker.rs
+++ b/tools/external_crates/license_checker/src/content_checker.rs
@@ -82,6 +82,7 @@ static LICENSE_CONTENT_CLASSIFICATION: LazyLock<Vec<(LicenseReq, String)>> = Laz
         ("Unlicense", include_str!("licenses/Unlicense.txt")),
         ("Zlib", include_str!("licenses/Zlib.txt")),
         ("OpenSSL", include_str!("licenses/OpenSSL.txt")),
+        ("NCSA", include_str!("licenses/NCSA.txt")),
     ]
     .into_iter()
     .map(|(req, tokens)| {
diff --git a/tools/external_crates/license_checker/src/licenses/NCSA.txt b/tools/external_crates/license_checker/src/licenses/NCSA.txt
new file mode 100644
index 0000000000..2df0b9bce2
--- /dev/null
+++ b/tools/external_crates/license_checker/src/licenses/NCSA.txt
@@ -0,0 +1,26 @@
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimers.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimers in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the names of the LLVM Team, University of Illinois at
+      Urbana-Champaign, nor the names of its contributors may be used to
+      endorse or promote products derived from this Software without specific
+      prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+SOFTWARE.
\ No newline at end of file