diff --git a/external/calendar b/external/calendar
index 04fe66e252..406e37bfd6 160000
--- a/external/calendar
+++ b/external/calendar
@@ -1 +1 @@
-Subproject commit 04fe66e252f9c6cf569dfb462004dd99d6e68b00
+Subproject commit 406e37bfd68c4707b3b8fa0bc795e6a3f7a156e4
diff --git a/external/chips b/external/chips
index 61be1f3921..e86358641a 160000
--- a/external/chips
+++ b/external/chips
@@ -1 +1 @@
-Subproject commit 61be1f3921fa43df43aaf64526a61ad85bec8689
+Subproject commit e86358641aab03991bf3d56b36179f7773a83189
diff --git a/external/ex b/external/ex
index c0270ea348..82edadf36e 160000
--- a/external/ex
+++ b/external/ex
@@ -1 +1 @@
-Subproject commit c0270ea3481054ae6543a5f3ac81cebfeac67dc1
+Subproject commit 82edadf36e0bdb0110cb19daa6bc3625802b2ac1