diff --git a/dna/zomes/courses/code/Cargo.lock b/dna/zomes/courses/code/Cargo.lock
index 08224e4..33f8fd9 100644
--- a/dna/zomes/courses/code/Cargo.lock
+++ b/dna/zomes/courses/code/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aho-corasick"
 version = "0.6.10"
@@ -377,9 +379,9 @@ dependencies = [
 
 [[package]]
 name = "futures-task"
-version = "0.3.1"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bae52d6b29cf440e298856fec3965ee6fa71b06aa7495178615953fd669e5f9"
+checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
 
 [[package]]
 name = "futures-util"