diff --git a/Cargo.lock b/Cargo.lock
index 94b62a8..69477e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -574,9 +574,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.86"
+version = "2.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89275301d38033efb81a6e60e3497e734dfcc62571f2854bf4b16690398824c"
+checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -585,18 +585,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.66"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d171f59dbaa811dbbb1aee1e73db92ec2b122911a48e1390dfe327a821ddede"
+checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.66"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b08be0f17bd307950653ce45db00cd31200d82b624b36e181337d9c7d92765b5"
+checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/ocrs/Cargo.toml b/ocrs/Cargo.toml
index 500de82..80fcb04 100644
--- a/ocrs/Cargo.toml
+++ b/ocrs/Cargo.toml
@@ -14,7 +14,7 @@ rayon = "1.10.0"
 rten = { workspace = true }
 rten-imageproc = { workspace = true }
 rten-tensor = { workspace = true }
-thiserror = "1.0.66"
+thiserror = "2.0.3"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 # nb. When changing this, make sure the version of wasm-bindgen-cli installed