--- a/lib/mp4/Cargo.lock
+++ b/lib/mp4/Cargo.lock
@@ -90,9 +90,9 @@
 
 [[package]]
 name = "getrandom"
-version = "0.2.7"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -125,9 +125,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "log"