diff --git a/scripts/check_files.py b/scripts/check_files.py
index 87326e872..05c38e109 100755
--- a/scripts/check_files.py
+++ b/scripts/check_files.py
@@ -367,9 +367,15 @@ class LicenseIssueTracker(LineIssueTracker):
 
     heading = "License issue:"
 
-    LICENSE_EXEMPTION_RE_LIST = [
-        # Exempt third-party drivers which may be under a different license
-        r'tf-psa-crypto/drivers/(?=(everest)/.*)',
+    LICENSE_EXEMPTION_RE_LIST = []
+
+    # Exempt third-party drivers which may be under a different license
+    if build_tree.is_mbedtls_3_6():
+        LICENSE_EXEMPTION_RE_LIST.append(r'3rdparty/(?!(p256-m)/.*)')
+    else:
+        LICENSE_EXEMPTION_RE_LIST.append(r'tf-psa-crypto/drivers/(?=(everest)/.*)')
+
+    LICENSE_EXEMPTION_RE_LIST += [
         # Documentation explaining the license may have accidental
         # false positives.
         r'(ChangeLog|LICENSE|framework\/LICENSE|[-0-9A-Z_a-z]+\.md)\Z',