diff --git a/Cargo.toml b/Cargo.toml
index f233ef5c..90db7afb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ serde = { version = "1.0.215", features = ["derive"] }
 serde_json = "1.0.133"
 similar = "2.6.0"
 tabwriter = "1.4.0"
-thiserror = { version = "2", default-features = false }
+thiserror = "2.0.3"
 tempfile = "3.14.0"
 test-common = { path = "test-common" }
 thouart = { git = "https://github.com/oxidecomputer/thouart" }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 21c73f28..5fce226f 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.80"
+channel = "1.82"
 profile = "default"