diff --git a/Cargo.lock b/Cargo.lock
index 50876eb549..b02dbf44c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1017,9 +1017,9 @@ 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/Cargo.toml b/Cargo.toml
index e1da505b58..cd02cca5a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -163,7 +163,7 @@ bzip2 = "0.4.4"
 caps = "0.5.5"
 cargo_metadata = "0.15.4"
 cc = "1.0.83"
-chrono = { version = "0.4.30", default-features = false }
+chrono = { version = "0.4.31", default-features = false }
 chrono-humanize = "0.2.3"
 clap = "2.33.1"
 console = "0.15.7"
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index 471e5c9123..a4e0eb619e 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -901,9 +901,9 @@ 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",