diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index c49d2f02..058ea274 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -172,9 +172,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
+checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
 dependencies = [
  "iana-time-zone",
  "js-sys",
diff --git a/backend/seed_data/Cargo.toml b/backend/seed_data/Cargo.toml
index 2d783814..1daa0055 100644
--- a/backend/seed_data/Cargo.toml
+++ b/backend/seed_data/Cargo.toml
@@ -8,5 +8,5 @@ edition = "2021"
 [dependencies]
 server = { path="../server" }
 diesel = "1.4.8"
-chrono = "0.4.22"
+chrono = "0.4.23"
 dotenv = "0.15.0"
diff --git a/backend/seed_data/src/seed.rs b/backend/seed_data/src/seed.rs
index a4e0edd1..af920355 100644
--- a/backend/seed_data/src/seed.rs
+++ b/backend/seed_data/src/seed.rs
@@ -140,8 +140,8 @@ pub fn seed() {
         name: "2022 Peer Mentor Recruitment".to_string(),
         description: "Peer mentors are an important part of CSESoc and university life at UNSW. We are looking for enthusiastic students who are passionate about helping first-year students, gaining leadership experience, communication skills, some resume-worthy additions, and having a lot of fun in the upcoming term (Term 1, 2022)! 🎉".to_string(),
         organisation_id: csesoc_org.id,
-        starts_at: NaiveDate::from_ymd(2022, 1, 1).and_hms(10, 00, 00),
-        ends_at: NaiveDate::from_ymd(2022, 2, 20).and_hms(23, 59, 59),
+        starts_at: NaiveDate::from_ymd_opt(2022, 1, 1).unwrap().and_hms_opt(10, 00, 00).unwrap(),
+        ends_at: NaiveDate::from_ymd_opt(2022, 2, 20).unwrap().and_hms_opt(23, 59, 59).unwrap(),
         cover_image: Some(std::fs::read("./assets/csesoc_peer_mentoring.jpg").unwrap()),
         published: true,
     }.insert(&connection).expect("failed to insert new campaign");