diff --git a/Cargo.lock b/Cargo.lock
index 5a77c7fb..501444d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1425,9 +1425,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hex-literal"
-version = "0.4.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+checksum = "e712f64ec3850b98572bffac52e2c6f282b29fe6c5fa6d42334b30be438d95c1"
 
 [[package]]
 name = "hmac"
@@ -4021,7 +4021,7 @@ dependencies = [
  "simplelog",
  "snafu",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.12",
  "tokio",
  "tokio-util 0.7.13",
  "tough",
diff --git a/tough/Cargo.toml b/tough/Cargo.toml
index 511c53de..f3c3ea53 100644
--- a/tough/Cargo.toml
+++ b/tough/Cargo.toml
@@ -43,7 +43,7 @@ indexmap = { version = "2.5.0", features = ["serde"] }
 
 [dev-dependencies]
 failure-server = { path = "../integ/failure-server" }
-hex-literal = "0.4"
+hex-literal = "1.0"
 httptest = "0.16"
 maplit = "1"
 tokio = { version = "1", features = ["macros", "rt", "rt-multi-thread"] }
diff --git a/tuftool/Cargo.toml b/tuftool/Cargo.toml
index cddced6a..c6009374 100644
--- a/tuftool/Cargo.toml
+++ b/tuftool/Cargo.toml
@@ -60,7 +60,7 @@ walkdir = "2"
 indexmap = { version = "2.5.0", features = ["serde"] }
 
 rustls-webpki = { version = "0.102.1", features = ["alloc"] }
-thiserror = "1.0.30"
+thiserror = "2.0.0"
 base64 = { version = "0.22", default-features = false, features = ["std"] }
 futures-util = { version = "0.3.30", optional = true }
 tokio-util = { version = "0.7.10", features = ["io-util"] }