diff --git a/external/Paddle b/external/Paddle
index 4550862e62899a55c59733331a2b2ca553ff2606..2307baf5b0d0721b0ebd96ca403576879ec0b168 160000
--- a/external/Paddle
+++ b/external/Paddle
@@ -1 +1 @@
-Subproject commit 4550862e62899a55c59733331a2b2ca553ff2606
+Subproject commit 2307baf5b0d0721b0ebd96ca403576879ec0b168
diff --git a/external/book b/external/book
index d233b20945bc22a220ffd05b74dbe47bdae69007..2e55fd4630de30ecf86e5c59f89285e5786762ba 160000
--- a/external/book
+++ b/external/book
@@ -1 +1 @@
-Subproject commit d233b20945bc22a220ffd05b74dbe47bdae69007
+Subproject commit 2e55fd4630de30ecf86e5c59f89285e5786762ba