diff --git a/src/machine_learning/search_algorithms/best_first/best_first.h b/src/machine_learning/search_algorithms/best_first/best_first.h
index 9f7c44c0..1380a63c 100644
--- a/src/machine_learning/search_algorithms/best_first/best_first.h
+++ b/src/machine_learning/search_algorithms/best_first/best_first.h
@@ -6,6 +6,7 @@
 #include <iostream>
 #include <unordered_map>
 #include <queue>
+#include <climits>
 #endif
 
 /**
diff --git a/src/machine_learning/search_algorithms/hill_climbing/hill_climbing.h b/src/machine_learning/search_algorithms/hill_climbing/hill_climbing.h
index 1cb91864..7d3e6195 100644
--- a/src/machine_learning/search_algorithms/hill_climbing/hill_climbing.h
+++ b/src/machine_learning/search_algorithms/hill_climbing/hill_climbing.h
@@ -6,6 +6,7 @@
 #include <iostream>
 #include <unordered_map>
 #include <queue>
+#include <climits>
 #endif
 
 /**