diff --git a/unix-dgsh-tools/grep b/unix-dgsh-tools/grep
index a59b485..d48c37e 160000
--- a/unix-dgsh-tools/grep
+++ b/unix-dgsh-tools/grep
@@ -1 +1 @@
-Subproject commit a59b485b89441396aaedded9d2f787cc47590292
+Subproject commit d48c37eb053bc8be70455e9088264147d6bbeba0