2 files changed, 2 insertions, 0 deletions
diff --git a/envelope/main.cpp b/envelope/main.cpp
index 3889c2a..895b37c 100644
--- a/envelope/main.cpp
+++ b/envelope/main.cpp
@@ -1,4 +1,5 @@
 #include <iostream>
+#include <stdexcept>
 #include <cstdlib>
 #include <cstring>
 #include "../base64.h"
diff --git a/rng.cpp b/rng.cpp
index fc86993..5bed44b 100644
--- a/rng.cpp
+++ b/rng.cpp
@@ -1,3 +1,4 @@
+#include <stdexcept>
 #include <cstring>
 #include <cassert>
 #include "rng.h"