diff --git a/Cargo.lock b/Cargo.lock
index a154c47fe..daff4452e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1139,7 +1139,7 @@ dependencies = [
  "log",
  "mailparse",
  "mime",
- "num-derive",
+ "num-derive 0.4.0",
  "num-traits",
  "num_cpus",
  "once_cell",
@@ -2962,6 +2962,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "num-derive"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e6a0fd4f737c707bd9086cc16c925f294943eb62eb71499e9fd4cf71f8b9f4e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.23",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -3283,7 +3294,7 @@ dependencies = [
  "md-5",
  "nom",
  "num-bigint-dig",
- "num-derive",
+ "num-derive 0.3.3",
  "num-traits",
  "p256 0.13.0",
  "p384 0.13.0",
diff --git a/Cargo.toml b/Cargo.toml
index 1055a6a4b..37709f0d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,7 +60,7 @@ libc = "0.2"
 mailparse = "0.14"
 mime = "0.3.17"
 num_cpus = "1.16"
-num-derive = "0.3"
+num-derive = "0.4"
 num-traits = "0.2"
 once_cell = "1.18.0"
 percent-encoding = "2.3"
diff --git a/deny.toml b/deny.toml
index b8520f85f..e4f3507c7 100644
--- a/deny.toml
+++ b/deny.toml
@@ -27,6 +27,7 @@ skip = [
      { name = "hashbrown", version = "<0.14.0" },
      { name = "idna", version = "<0.3" },
      { name = "indexmap", version = "<2.0.0" },
+     { name = "num-derive", version = "0.3.3" },
      { name = "pem-rfc7468", version = "0.6.0" },
      { name = "pkcs8", version = "0.9.0" },
      { name = "quick-error", version = "<2.0" },