diff --git a/episode/10/checklink/Cargo.lock b/episode/10/checklink/Cargo.lock
index cbd13fd..801fd60 100644
--- a/episode/10/checklink/Cargo.lock
+++ b/episode/10/checklink/Cargo.lock
@@ -69,9 +69,9 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bumpalo"
-version = "3.4.0"
+version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
+checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
 
 [[package]]
 name = "byteorder"