diff --git a/source/SvBugpoint.cpp b/source/SvBugpoint.cpp
index 8e469f3..ad81031 100644
--- a/source/SvBugpoint.cpp
+++ b/source/SvBugpoint.cpp
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: Apache-2.0
 #include "SvBugpoint.hpp"
 #include <fcntl.h>
+#include <signal.h>
+#include <unistd.h>
 #include <slang/syntax/SyntaxTree.h>
 #include <slang/text/SourceManager.h>
 #include <sys/mman.h>