diff --git a/light-curve/Cargo.lock b/light-curve/Cargo.lock
index b83eb31e..0c4ac1af 100644
--- a/light-curve/Cargo.lock
+++ b/light-curve/Cargo.lock
@@ -1547,18 +1547,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.41"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c16a64ba9387ef3fdae4f9c1a7f07a0997fce91985c0336f1ddc1822b3b37802"
+checksum = "97a802ec30afc17eee47b2855fc72e0c4cd62be9b4efe6591edde0ec5bd68d8f"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.41"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d14928354b01c4d6a4f0e549069adef399a284e7995c7ccca94e8a07a5346c59"
+checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/light-curve/Cargo.toml b/light-curve/Cargo.toml
index 8b5b88a6..3afba79c 100644
--- a/light-curve/Cargo.toml
+++ b/light-curve/Cargo.toml
@@ -45,7 +45,7 @@ num-traits = "0.2"
 pyo3 = {version = "0.19.1", features = ["extension-module", "multiple-pymethods"]}
 rand = "0.8.5"
 rand_xoshiro = "0.6.0"
-thiserror = "1.0.37"
+thiserror = "1.0.47"
 serde = { version = "1", features = ["derive"] }
 serde-pickle = "1"
 serde_json = "1"