diff --git a/requirements.txt b/requirements.txt
index 0c481747..bb35a1b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-pybind11==2.7.1
-scipy==1.7.1
-numpy==1.21.2
-pyyaml==5.4.1
-monty==2021.7.8
+pybind11==2.8.1
+scipy==1.7.2
+numpy==1.21.4
+pyyaml==6.0
+monty==2021.8.17
 loguru==0.5.3