diff --git a/ecc2/Cargo.lock b/ecc2/Cargo.lock
index 4a14db27..42a5552f 100644
--- a/ecc2/Cargo.lock
+++ b/ecc2/Cargo.lock
@@ -379,13 +379,14 @@ checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
 
 [[package]]
 name = "cron"
-version = "0.12.1"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f8c3e73077b4b4a6ab1ea5047c37c57aee77657bc8ecd6f29b0af082d0b0c07"
+checksum = "089df96cf6a25253b4b6b6744d86f91150a3d4df546f31a95def47976b8cba97"
 dependencies = [
  "chrono",
- "nom",
  "once_cell",
+ "phf",
+ "winnow",
 ]
 
 [[package]]
diff --git a/ecc2/Cargo.toml b/ecc2/Cargo.toml
index a3bdbe8b..6984a497 100644
--- a/ecc2/Cargo.toml
+++ b/ecc2/Cargo.toml
@@ -47,7 +47,7 @@ libc = "0.2"
 
 # Time
 chrono = { version = "0.4", features = ["serde"] }
-cron = "0.12"
+cron = "0.16"
 
 # UUID for session IDs
 uuid = { version = "1", features = ["v4"] }