diff --git a/Cargo.lock b/Cargo.lock
index c1415ff..5f65e14 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,18 +34,18 @@ checksum = "365861702868e2a37b4247aaecc7bd8f4389baec8d025497ad8ba7ff37ee9440"
 
 [[package]]
 name = "conquer-once"
-version = "0.3.2"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c6d3a9775a69f6d1fe2cc888999b67ed30257d3da4d2af91984e722f2ec918a"
+checksum = "96eb12fb69466716fbae9009d389e6a30830ae8975e170eff2d2cff579f9efa3"
 dependencies = [
  "conquer-util",
 ]
 
 [[package]]
 name = "conquer-util"
-version = "0.3.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e763eef8846b13b380f37dfecda401770b0ca4e56e95170237bd7c25c7db3582"
+checksum = "654fb2472cc369d311c547103a1fa81d467bef370ae7a0680f65939895b1182a"
 
 [[package]]
 name = "crossbeam-queue"