diff --git a/ql/Cargo.lock b/ql/Cargo.lock
index e9b0aa0b57b..45c71250d52 100644
--- a/ql/Cargo.lock
+++ b/ql/Cargo.lock
@@ -133,9 +133,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.30"
+version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defd4e7873dbddba6c7c91e199c7fcb946abc4a6a4ac3195400bcfb01b5de877"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
diff --git a/ql/buramu/Cargo.toml b/ql/buramu/Cargo.toml
index 59edbf224a8..75e48b9d163 100644
--- a/ql/buramu/Cargo.toml
+++ b/ql/buramu/Cargo.toml
@@ -7,6 +7,6 @@ edition = "2018"
 
 [dependencies]
 lazy_static = "1.4.0"
-chrono = "0.4.30"
+chrono = "0.4.31"
 rayon = "1.7.0"
 regex = "1.9.5"