diff --git a/tools/checksum_updater/Cargo.lock b/tools/checksum_updater/Cargo.lock
index 3c9966d3..3f471ecb 100644
--- a/tools/checksum_updater/Cargo.lock
+++ b/tools/checksum_updater/Cargo.lock
@@ -1856,9 +1856,9 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.18.1"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f87b8aa10b915a06587d0dec516c282ff295b475d94abf425d62b57710070a2"
+checksum = "e2e054861b4bd027cd373e18e8d8d8e6548085000e41290d95ce0c373a654b4a"
 
 [[package]]
 name = "valuable"
diff --git a/tools/checksum_updater/Cargo.toml b/tools/checksum_updater/Cargo.toml
index d9f06026..7b02e8f0 100644
--- a/tools/checksum_updater/Cargo.toml
+++ b/tools/checksum_updater/Cargo.toml
@@ -32,7 +32,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tempfile = "3.23"
 async-trait = "0.1"
 wit-bindgen = "0.49.0"  # WIT binding generation for macro usage (MUST match CLI version in wasm_toolchain.bzl)
-uuid = { version = "1.18", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)
+uuid = { version = "1.19", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)
 bitflags = "2.6"  # Bitflags for WASI filesystem interfaces in generated bindings
 
 [dev-dependencies]