diff --git a/TAOCP/Implementations/taocp/Cargo.lock b/TAOCP/Implementations/taocp/Cargo.lock
index 8c0879d..443cc4c 100644
--- a/TAOCP/Implementations/taocp/Cargo.lock
+++ b/TAOCP/Implementations/taocp/Cargo.lock
@@ -141,12 +141,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "8ff1f980957787286a554052d03c7aee98d99cc32e09f6d45f0a814133c87978"
 dependencies = [
  "cfg-if",
- "lazy_static",
+ "once_cell",
 ]
 
 [[package]]
@@ -271,6 +271,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+
 [[package]]
 name = "oorandom"
 version = "11.1.3"