diff --git a/Cargo.lock b/Cargo.lock
index 9689601..16b6ea8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -380,9 +380,9 @@ dependencies = [
 
 [[package]]
 name = "self_cell"
-version = "1.0.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d369a96f978623eb3dc28807c4852d6cc617fed53da5d3c400feff1ef34a714a"
+checksum = "c2fdfc24bc566f839a2da4c4295b82db7d25a24253867d5c64355abb5799bdbe"
 
 [[package]]
 name = "sha2"