diff --git a/Cargo.lock b/Cargo.lock
index 053d91bdb3..f8677f3040 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -963,9 +963,9 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.34"
+version = "0.4.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bc015644b92d5890fab7489e49d21f879d5c990186827d42ec511919404f38b"
+checksum = "8a0d04d43504c61aa6c7531f1871dd0d418d91130162063b789da00fd7057a5e"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
diff --git a/nexus/db-queries/src/db/collection_insert.rs b/nexus/db-queries/src/db/collection_insert.rs
index ef2a4a4d48..69906e6498 100644
--- a/nexus/db-queries/src/db/collection_insert.rs
+++ b/nexus/db-queries/src/db/collection_insert.rs
@@ -409,7 +409,7 @@ mod test {
     use async_bb8_diesel::{
         AsyncRunQueryDsl, AsyncSimpleConnection, ConnectionManager,
     };
-    use chrono::{NaiveDateTime, TimeZone, Utc};
+    use chrono::{DateTime, Utc};
     use db_macros::Resource;
     use diesel::expression_methods::ExpressionMethods;
     use diesel::pg::Pg;
@@ -498,12 +498,8 @@ mod test {
         let resource_id =
             uuid::Uuid::parse_str("223cb7f7-0d3a-4a4e-a5e1-ad38ecb785d8")
                 .unwrap();
-        let create_time = Utc.from_utc_datetime(
-            &NaiveDateTime::from_timestamp_opt(0, 0).unwrap(),
-        );
-        let modify_time = Utc.from_utc_datetime(
-            &NaiveDateTime::from_timestamp_opt(1, 0).unwrap(),
-        );
+        let create_time = DateTime::from_timestamp(0, 0).unwrap();
+        let modify_time = DateTime::from_timestamp(1, 0).unwrap();
         let insert = Collection::insert_resource(
             collection_id,
             diesel::insert_into(resource::table).values(vec![(
@@ -615,12 +611,8 @@ mod test {
             .await
             .unwrap();
 
-        let create_time = Utc.from_utc_datetime(
-            &NaiveDateTime::from_timestamp_opt(0, 0).unwrap(),
-        );
-        let modify_time = Utc.from_utc_datetime(
-            &NaiveDateTime::from_timestamp_opt(1, 0).unwrap(),
-        );
+        let create_time = DateTime::from_timestamp(0, 0).unwrap();
+        let modify_time = DateTime::from_timestamp(1, 0).unwrap();
         let resource = Collection::insert_resource(
             collection_id,
             diesel::insert_into(resource::table).values(vec![(
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index 218b4ac1e1..67a9a8af00 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -27,7 +27,7 @@ bstr-6f8ce4dd05d13bba = { package = "bstr", version = "0.2.17" }
 bstr-dff4ba8e3ae991db = { package = "bstr", version = "1.9.0" }
 byteorder = { version = "1.5.0" }
 bytes = { version = "1.6.0", features = ["serde"] }
-chrono = { version = "0.4.34", features = ["serde"] }
+chrono = { version = "0.4.37", features = ["serde"] }
 cipher = { version = "0.4.4", default-features = false, features = ["block-padding", "zeroize"] }
 clap = { version = "4.5.1", features = ["cargo", "derive", "env", "wrap_help"] }
 clap_builder = { version = "4.5.1", default-features = false, features = ["cargo", "color", "env", "std", "suggestions", "usage", "wrap_help"] }
@@ -135,7 +135,7 @@ bstr-6f8ce4dd05d13bba = { package = "bstr", version = "0.2.17" }
 bstr-dff4ba8e3ae991db = { package = "bstr", version = "1.9.0" }
 byteorder = { version = "1.5.0" }
 bytes = { version = "1.6.0", features = ["serde"] }
-chrono = { version = "0.4.34", features = ["serde"] }
+chrono = { version = "0.4.37", features = ["serde"] }
 cipher = { version = "0.4.4", default-features = false, features = ["block-padding", "zeroize"] }
 clap = { version = "4.5.1", features = ["cargo", "derive", "env", "wrap_help"] }
 clap_builder = { version = "4.5.1", default-features = false, features = ["cargo", "color", "env", "std", "suggestions", "usage", "wrap_help"] }