diff --git a/package_scanner.nim b/package_scanner.nim
index 47fb69d..245fc1b 100644
--- a/package_scanner.nim
+++ b/package_scanner.nim
@@ -41,6 +41,10 @@ const licenses = [
     "bsd-3",
     "bsd 3-clause",
     "bsd-3-clause",
+    "boost",
+    "boost-1.0",
+    "bsl",
+    "bsl-1.0",
     "2-clause bsd",
     "cc0",
     "cc0-1.0",