diff --git a/Cargo.lock b/Cargo.lock
index eb48d24..9a6e16f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -268,18 +268,18 @@ dependencies = [
 
 [[package]]
 name = "snafu"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1d4bced6a69f90b2056c03dcff2c4737f98d6fb9e0853493996e1d253ca29c6"
+checksum = "d1a012328be2e3f5d5f6f3218147ca02588cea4cb865e876849ab6debcf36522"
 dependencies = [
  "snafu-derive",
 ]
 
 [[package]]
 name = "snafu-derive"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54254b8531cafa275c5e096f62d48c81435d1015405a91198ddb11e967301d40"
+checksum = "5f103c50866b8743da9429b8a581d81a27c2d3a9c4ac7df8f8571c1dd7896eda"
 dependencies = [
  "heck",
  "proc-macro2",