diff --git a/requirements.txt b/requirements.txt
index b2dc114..2587cd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pollination-two-phase-daylight-coefficient==1.1.48
+pollination-two-phase-daylight-coefficient==1.1.49
 pollination-lbt-honeybee==0.1.17
 pollination-honeybee-display==0.1.17