diff --git a/lib/umbridge.h b/lib/umbridge.h
index 8347a52..290ef4f 100644
--- a/lib/umbridge.h
+++ b/lib/umbridge.h
@@ -5,7 +5,7 @@
 
 // Increase timeout to allow for long-running models.
 // This should be (to be on the safe side) significantly greater than the maximum time your model may take
-#define CPPHTTPLIB_READ_TIMEOUT_SECOND 60*60
+#define CPPHTTPLIB_READ_TIMEOUT_SECOND 60*60*24*365
 
 #include <string>
 #include <vector>