diff --git a/packages/cli/src/utils/sandbox-macos-permissive-open.sb b/packages/cli/src/utils/sandbox-macos-permissive-open.sb
index b0da94f7f..bc2087481 100644
--- a/packages/cli/src/utils/sandbox-macos-permissive-open.sb
+++ b/packages/cli/src/utils/sandbox-macos-permissive-open.sb
@@ -22,4 +22,6 @@
     (literal "/dev/stdout")
     (literal "/dev/stderr")
     (literal "/dev/null")
-)
\ No newline at end of file
+    (literal "/dev/ptmx")
+    (regex #"^/dev/ttys[0-9]*$")
+)