diff --git a/tools/docca b/tools/docca
index 8cffc1ff54..7e68aa7be6 160000
--- a/tools/docca
+++ b/tools/docca
@@ -1 +1 @@
-Subproject commit 8cffc1ff54c1579753f188fb74e6ebe18295a4fa
+Subproject commit 7e68aa7be620afbb3b2d6cbe053db33d1ec7da39