diff --git a/src/requirements.txt b/src/requirements.txt
index d6ee982..2c1e77d 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,2 +1,2 @@
 click==8.0.3
-ortools==9.1.9490
\ No newline at end of file
+ortools==9.4.1874
\ No newline at end of file