diff --git a/tools/checksum_updater/Cargo.lock b/tools/checksum_updater/Cargo.lock
index 3438c2d3..c6a09b7f 100644
--- a/tools/checksum_updater/Cargo.lock
+++ b/tools/checksum_updater/Cargo.lock
@@ -218,7 +218,7 @@ dependencies = [
  "tracing",
  "tracing-subscriber",
  "uuid",
- "wit-bindgen 0.52.0",
+ "wit-bindgen 0.53.1",
 ]
 
 [[package]]
@@ -426,9 +426,9 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "foldhash"
-version = "0.1.5"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
 
 [[package]]
 name = "form_urlencoded"
@@ -592,19 +592,13 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.15.5"
+version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 dependencies = [
  "foldhash",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -834,9 +828,9 @@ dependencies = [
 
 [[package]]
 name = "id-arena"
-version = "2.2.1"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
 
 [[package]]
 name = "idna"
@@ -861,12 +855,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.12.1"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ad4bb2b565bca0645f4d68c5c9af97fba094e9791da685bf83cb5f3ce74acf2"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown",
  "serde",
  "serde_core",
 ]
@@ -2135,9 +2129,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-encoder"
-version = "0.244.0"
+version = "0.245.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+checksum = "3f9dca005e69bf015e45577e415b9af8c67e8ee3c0e38b5b0add5aa92581ed5c"
 dependencies = [
  "leb128fmt",
  "wasmparser",
@@ -2145,9 +2139,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-metadata"
-version = "0.244.0"
+version = "0.245.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+checksum = "da55e60097e8b37b475a0fa35c3420dd71d9eb7bd66109978ab55faf56a57efb"
 dependencies = [
  "anyhow",
  "indexmap",
@@ -2157,12 +2151,12 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.244.0"
+version = "0.245.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+checksum = "4f08c9adee0428b7bddf3890fc27e015ac4b761cc608c822667102b8bfd6995e"
 dependencies = [
  "bitflags",
- "hashbrown 0.15.5",
+ "hashbrown",
  "indexmap",
  "semver",
 ]
@@ -2514,9 +2508,9 @@ checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
 
 [[package]]
 name = "wit-bindgen"
-version = "0.52.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e048f41ef90f0b5dd61f1059c35f5636252e56813bf616d0803aa3739867230"
+checksum = "6e915216dde3e818093168df8380a64fba25df468d626c80dd5d6a184c87e7c7"
 dependencies = [
  "bitflags",
  "wit-bindgen-rust-macro",
@@ -2524,9 +2518,9 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen-core"
-version = "0.52.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c15e7a56641cc9040480a26526a3229cbc4e8065adf98c9755d21c4c9b446c4c"
+checksum = "3deda4b7e9f522d994906f6e6e0fc67965ea8660306940a776b76732be8f3933"
 dependencies = [
  "anyhow",
  "heck",
@@ -2535,9 +2529,9 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen-rust"
-version = "0.52.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd81b0ae1ec492bfe91683f1da6db6492ebc682e72d4f2715619dba783b066ca"
+checksum = "863a7ab3c4dfee58db196811caeb0718b88412a0aef3d1c2b02fcbae1e37c688"
 dependencies = [
  "anyhow",
  "heck",
@@ -2551,9 +2545,9 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen-rust-macro"
-version = "0.52.0"
+version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54e6ce04c549e7149b66a70d34fc5a2a01b374bf49ca61db65d16e3ae922866e"
+checksum = "d14f3a9bfa3804bb0e9ab7f66da047f210eded6a1297ae3ba5805b384d64797f"
 dependencies = [
  "anyhow",
  "prettyplease",
@@ -2566,9 +2560,9 @@ dependencies = [
 
 [[package]]
 name = "wit-component"
-version = "0.244.0"
+version = "0.245.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+checksum = "4894f10d2d5cbc17c77e91f86a1e48e191a788da4425293b55c98b44ba3fcac9"
 dependencies = [
  "anyhow",
  "bitflags",
@@ -2585,11 +2579,12 @@ dependencies = [
 
 [[package]]
 name = "wit-parser"
-version = "0.244.0"
+version = "0.245.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+checksum = "330698718e82983499419494dd1e3d7811a457a9bf9f69734e8c5f07a2547929"
 dependencies = [
  "anyhow",
+ "hashbrown",
  "id-arena",
  "indexmap",
  "log",
diff --git a/tools/checksum_updater/Cargo.toml b/tools/checksum_updater/Cargo.toml
index 9026a3b8..1a641e12 100644
--- a/tools/checksum_updater/Cargo.toml
+++ b/tools/checksum_updater/Cargo.toml
@@ -31,7 +31,7 @@ tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tempfile = "3.24"
 async-trait = "0.1"
-wit-bindgen = "0.52.0"  # WIT binding generation for macro usage (MUST match CLI version in wasm_toolchain.bzl)
+wit-bindgen = "0.53.1"  # WIT binding generation for macro usage (MUST match CLI version in wasm_toolchain.bzl)
 uuid = { version = "1.20", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)
 bitflags = "2.6"  # Bitflags for WASI filesystem interfaces in generated bindings