diff --git a/Cargo.lock b/Cargo.lock
index ad1cd24..1142034 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1137,12 +1137,6 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
-[[package]]
-name = "ryu"
-version = "1.0.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
-
 [[package]]
 name = "schannel"
 version = "0.1.28"
@@ -1249,15 +1243,15 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "3084b546a1dd6289475996f182a22aba973866ea8e8b02c51d9f46b1336a22da"
 dependencies = [
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -1868,3 +1862,9 @@ name = "zeroize"
 version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+
+[[package]]
+name = "zmij"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f4a4e8e9dc5c62d159f04fcdbe07f4c3fb710415aab4754bf11505501e3251d"
diff --git a/Cargo.toml b/Cargo.toml
index 119fd55..032f367 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ members = ["libs/daedalus", "libs/calypso-cangen"]
 proc-macro2 = "1.0.101"
 quote = "1.0.41"
 serde = { version = "1.0.228", features = ["derive"] }
-serde_json = "1.0.145"
+serde_json = "1.0.148"
 regex = "1.12.1"
 schemars = "1.0.4"