diff --git a/Cargo.lock b/Cargo.lock
index 887dfc1ffd..cdfa8a1ad5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3485,7 +3485,7 @@ dependencies = [
  "nu-protocol",
  "nu-utils",
  "serde",
- "thiserror 1.0.69",
+ "thiserror 2.0.3",
  "typetag",
 ]
 
@@ -3591,7 +3591,7 @@ dependencies = [
  "strum",
  "strum_macros",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.3",
  "typetag",
  "windows-sys 0.48.0",
 ]
diff --git a/crates/nu-plugin/Cargo.toml b/crates/nu-plugin/Cargo.toml
index a2c328375e..2c43a86c5e 100644
--- a/crates/nu-plugin/Cargo.toml
+++ b/crates/nu-plugin/Cargo.toml
@@ -21,7 +21,7 @@ nu-plugin-core = { path = "../nu-plugin-core", version = "0.100.1", default-feat
 nu-utils = { path = "../nu-utils", version = "0.100.1" }
 
 log = { workspace = true }
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 serde = { workspace = true }
diff --git a/crates/nu-protocol/Cargo.toml b/crates/nu-protocol/Cargo.toml
index 60d6c10acc..dfbcb7b307 100644
--- a/crates/nu-protocol/Cargo.toml
+++ b/crates/nu-protocol/Cargo.toml
@@ -36,7 +36,7 @@ num-format = { workspace = true }
 rmp-serde = { workspace = true, optional = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-thiserror = "1.0"
+thiserror = "2.0"
 typetag = "0.2"
 os_pipe = { workspace = true, features = ["io_safety"] }
 log = { workspace = true }