diff --git a/Cargo.lock b/Cargo.lock
index 310b27dde..146df0429 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2701,7 +2701,7 @@ dependencies = [
  "static-files",
  "subst",
  "testcontainers-modules",
- "thiserror 1.0.69",
+ "thiserror 2.0.3",
  "tilejson",
  "tokio",
  "tokio-postgres-rustls",
@@ -2746,7 +2746,7 @@ dependencies = [
  "sqlite-compressions",
  "sqlite-hashes",
  "sqlx",
- "thiserror 1.0.69",
+ "thiserror 2.0.3",
  "tilejson",
  "tokio",
  "xxhash-rust",
diff --git a/Cargo.toml b/Cargo.toml
index 85eb687e9..96451cdc3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -84,7 +84,7 @@ sqlx = { version = "0.7", features = ["sqlite", "runtime-tokio"] }
 static-files = "0.2"
 subst = { version = "0.3", features = ["yaml"] }
 testcontainers-modules = { version = "0.11.4", features = ["postgres"] }
-thiserror = "1"
+thiserror = "2"
 tile-grid = "0.6"
 tilejson = "0.4"
 tokio = { version = "1", features = ["macros"] }