diff --git a/backend/requirements.txt b/backend/requirements.txt
index 8c99dc9..8b72fa4 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -27,7 +27,7 @@ numpy==2.2.1
 scipy==1.15.1
 astropy==6.1.7
 nrlmsise00==0.1.2
-jplephem==2.22
+jplephem==2.24
 
 # ── HTTP Client (for external data sources) ──────────────────
 httpx==0.28.1