diff --git a/Cargo.lock b/Cargo.lock
index 9904ba0..e393565 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "anstream"
@@ -51,12 +51,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
-
 [[package]]
 name = "bitflags"
 version = "2.4.1"
@@ -127,9 +121,9 @@ checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
 name = "errno"
-version = "0.3.8"
+version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
  "windows-sys 0.52.0",
@@ -137,9 +131,21 @@ dependencies = [
 
 [[package]]
 name = "fastrand"
-version = "2.0.1"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+
+[[package]]
+name = "getrandom"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi",
+]
 
 [[package]]
 name = "heck"
@@ -161,15 +167,21 @@ checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
 [[package]]
 name = "libc"
-version = "0.2.151"
+version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
+checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.4.12"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
+checksum = "fe7db12097d22ec582439daf8618b8fdd1a7bef6270e9af3b1ebcd30893cf413"
+
+[[package]]
+name = "once_cell"
+version = "1.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75b0bedcc4fe52caa0e03d9f1151a323e4aa5e2d78ba3580400cd3c9e2bc4bc"
 
 [[package]]
 name = "proc-macro2"
@@ -190,21 +202,18 @@ dependencies = [
 ]
 
 [[package]]
-name = "redox_syscall"
-version = "0.4.1"
+name = "r-efi"
+version = "5.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
-dependencies = [
- "bitflags 1.3.2",
-]
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
 
 [[package]]
 name = "rustix"
-version = "0.38.28"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
+checksum = "e56a18552996ac8d29ecc3b190b4fdbb2d91ca4ec396de7bbffaf43f3d637e96"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags",
  "errno",
  "libc",
  "linux-raw-sys",
@@ -277,15 +286,15 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.8.1"
+version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
+checksum = "7437ac7763b9b123ccf33c338a5cc1bac6f69b45a136c19bdd8a65e3916435bf"
 dependencies = [
- "cfg-if",
  "fastrand",
- "redox_syscall",
+ "getrandom",
+ "once_cell",
  "rustix",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -328,6 +337,15 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.14.2+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -459,3 +477,12 @@ name = "windows_x86_64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags",
+]
diff --git a/bootspec/Cargo.toml b/bootspec/Cargo.toml
index 478227e..85db506 100644
--- a/bootspec/Cargo.toml
+++ b/bootspec/Cargo.toml
@@ -16,4 +16,4 @@ serde_json = "1.0.91"
 thiserror = "1.0.40"
 
 [dev-dependencies]
-tempfile = "3.5.0"
+tempfile = "3.19.1"
diff --git a/synthesize/Cargo.toml b/synthesize/Cargo.toml
index 0e2ec60..855e7b5 100644
--- a/synthesize/Cargo.toml
+++ b/synthesize/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 
 [dependencies]
 serde_json = "1.0.91"
-tempfile = "3.5.0"
+tempfile = "3.19.1"
 bootspec = { path = "../bootspec" }
 clap = { version = "4.1.4", features = ["derive"] }