diff --git a/Cargo.lock b/Cargo.lock
index a925eda..60a35f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,9 +29,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.80"
+version = "2.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e185e337f816bc8da115b8afcb3324006ccc82eeaddf35113888d3bd8e44ac"
+checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -40,18 +40,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.65"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d11abd9594d9b38965ef50805c5e469ca9cc6f197f883f717e0269a3057b3d5"
+checksum = "15291287e9bff1bc6f9ff3409ed9af665bec7a5fc8ac079ea96be07bca0e2668"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.65"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae71770322cbd277e69d762a16c444af02aa0575ac0d174f0b9562d3b37f8602"
+checksum = "22efd00f33f93fa62848a7cab956c3d38c8d43095efda1decfc2b3a5dc0b8972"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 684684c..2c77ed9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,4 +9,4 @@ categories = ["data-structures", "parser-implementations"]
 keywords = ["chess"]
 
 [dependencies]
-thiserror = "1.0.65"
+thiserror = "2.0.0"