diff --git a/kosmorrolib/events.py b/kosmorrolib/events.py
index 7bbcb14..f999572 100644
--- a/kosmorrolib/events.py
+++ b/kosmorrolib/events.py
@@ -250,7 +250,7 @@ def _search_maximal_elongations(
                     EventType.MAXIMAL_ELONGATION,
                     [planet],
                     translate_to_timezone(time.utc_datetime(), timezone),
-                    details={"deg": elongation},
+                    details={"deg": float(elongation)},
                 )
             )
 
@@ -299,7 +299,7 @@ def _search_apogee(to_aster: Object, from_aster: Object = EARTH) -> callable:
                     EventType.APOGEE,
                     [to_aster],
                     translate_to_timezone(time.utc_datetime(), timezone),
-                    details={"distance_km": distances[i]},
+                    details={"distance_km": float(distances[i])},
                 )
             )
 
@@ -338,7 +338,7 @@ def _search_perigee(aster: Object, from_aster: Object = EARTH) -> callable:
                     EventType.PERIGEE,
                     [aster],
                     translate_to_timezone(time.utc_datetime(), timezone),
-                    details={"distance_km": distances[i]},
+                    details={"distance_km": float(distances[i])},
                 )
             )
 
diff --git a/pyproject.toml b/pyproject.toml
index 23db412..c805ade 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,12 +20,12 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.8"
-skyfield = "^1.21"
+skyfield = "^1.49"
 numpy = [
     { version = "<1.25", python = "3.8.*" },
-    { version = "^1.25", python = ">=3.9,<3.13" },
+    { version = "^2.0", python = ">=3.9,<3.13" },
 ]
-skyfield-data = ">=3,<6"
+skyfield-data = "*"
 python-dateutil = "^2.8"
 
 [tool.poetry.group.dev.dependencies]