diff --git a/licenses.txt b/licenses.txt
index 02a81c091e38c25404931723c3cc183eec3a1b19..1416beb4d18a9dcbb9f316e2cd292112f9b01976 100644
--- a/licenses.txt
+++ b/licenses.txt
@@ -5,9 +5,13 @@ MPL-2.0:
 MIT:
 = https://spdx.org/licenses/MIT
 - git https://github.com/nektro/zig-extras
+- git https://github.com/nektro/zig-sys-linux
 - git https://github.com/nektro/zig-tracer
 - git https://github.com/vrischmann/zig-sqlite
 
 blessing:
 = https://spdx.org/licenses/blessing
 - http https://sqlite.org/2025/sqlite-amalgamation-3480000.zip
+
+Unspecified:
+- system_lib c