diff --git a/Cargo.lock b/Cargo.lock
index 81c7e5b7..fa71e274 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -677,9 +677,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro-crate"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edce586971a4dfaa28950c6f18ed55e0406c1ab88bbce2c6f6293a7aaba73d35"
+checksum = "219cb19e96be00ab2e37d6e299658a0cfa83e52429179969b0f0121b4ac46983"
 dependencies = [
  "toml_edit",
 ]
@@ -1053,9 +1053,12 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.11"
+version = "0.7.5+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
+checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
+dependencies = [
+ "serde_core",
+]
 
 [[package]]
 name = "toml_datetime"
@@ -1068,12 +1071,13 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.22.27"
+version = "0.23.10+spec-1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
+checksum = "84c8b9f757e028cee9fa244aea147aab2a9ec09d5325a9b01e0a49730c2b5269"
 dependencies = [
  "indexmap",
- "toml_datetime 0.6.11",
+ "toml_datetime 0.7.5+spec-1.1.0",
+ "toml_parser",
  "winnow",
 ]
 
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index e0ecf9f9..c38872e6 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -15,7 +15,7 @@ proc-macro = true
 syn = { version = "2", features = ["full", "visit"] }
 quote = "1.0.44"
 proc-macro2 = "1.0.106"
-proc-macro-crate = "3.3.0"
+proc-macro-crate = "3.4.0"
 
 [dev-dependencies]
 parity-scale-codec = { path = "..", features = ["derive", "max-encoded-len"] }