diff --git a/external/cxxopts b/external/cxxopts
index 3876c09..073dd3e 160000
--- a/external/cxxopts
+++ b/external/cxxopts
@@ -1 +1 @@
-Subproject commit 3876c0907237e5fa89c5850ed1ee688a3bcb62b3
+Subproject commit 073dd3e645fa0c853c3836f3788ca21c39af319d
diff --git a/external/type_safe b/external/type_safe
index acd09bb..ac4dfc7 160000
--- a/external/type_safe
+++ b/external/type_safe
@@ -1 +1 @@
-Subproject commit acd09bb35b26bf30a55c8876dee23a5ec04b2f79
+Subproject commit ac4dfc790f19f66097476bcae2fcd37d6fc05e23