diff --git a/requirements.txt b/requirements.txt
index cd9d7d82bc..9a967e00b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 beartype<0.20.0
 dill<0.3.10
-fastkde>=2.0.0, <2.0.2
+fastkde>=2.0.0, <2.1.4
 graph-scheduler>=1.2.1, <1.3.0
 graphviz<0.21.0
 grpcio<1.70.0