diff --git a/Cargo.lock b/Cargo.lock
index 438f78de..113ee6f3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1553,9 +1553,9 @@ checksum = "c307a32c1c5c437f38c7fd45d753050587732ba8628319fbdf12a7e289ccc590"
 
 [[package]]
 name = "snafu"
-version = "0.6.10"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eab12d3c261b2308b0d80c26fffb58d17eba81a4be97890101f416b478c79ca7"
+checksum = "2eba135d2c579aa65364522eb78590cdf703176ef71ad4c32b00f58f7afb2df5"
 dependencies = [
  "backtrace",
  "doc-comment",
@@ -1564,10 +1564,11 @@ dependencies = [
 
 [[package]]
 name = "snafu-derive"
-version = "0.6.10"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1508efa03c362e23817f96cde18abed596a25219a8b2c66e8db33c03543d315b"
+checksum = "7a7fe9b0669ef117c5cabc5549638528f36771f058ff977d7689deb517833a75"
 dependencies = [
+ "heck",
  "proc-macro2",
  "quote",
  "syn",
diff --git a/tough-kms/Cargo.toml b/tough-kms/Cargo.toml
index b2d464d4..fbb24707 100644
--- a/tough-kms/Cargo.toml
+++ b/tough-kms/Cargo.toml
@@ -20,7 +20,7 @@ ring = { version = "0.16.16", features = ["std"] }
 rusoto_core = { version = "0.47", optional = true, default-features = false }
 rusoto_credential = { version = "0.47", optional = true }
 rusoto_kms = { version = "0.47", optional = true, default-features = false }
-snafu = { version = "0.6.10", features = ["backtraces-impl-backtrace-crate"] }
+snafu = { version = "0.7.0", features = ["backtraces-impl-backtrace-crate"] }
 tokio = "~1.8"  # LTS
 pem = "0.8.1"
 
diff --git a/tough-ssm/Cargo.toml b/tough-ssm/Cargo.toml
index 8fb80621..d19db23a 100644
--- a/tough-ssm/Cargo.toml
+++ b/tough-ssm/Cargo.toml
@@ -21,5 +21,5 @@ rusoto_credential = { version = "0.47", optional = true }
 rusoto_ssm = { version = "0.47", optional = true, default-features = false }
 serde = "1.0.125"
 serde_json = "1.0.63"
-snafu = { version = "0.6.10", features = ["backtraces-impl-backtrace-crate"] }
+snafu = { version = "0.7.0", features = ["backtraces-impl-backtrace-crate"] }
 tokio = "~1.8"  # LTS
diff --git a/tough/Cargo.toml b/tough/Cargo.toml
index 7c582c6a..f0b17e98 100644
--- a/tough/Cargo.toml
+++ b/tough/Cargo.toml
@@ -21,7 +21,7 @@ ring = { version = "0.16.16", features = ["std"] }
 serde = { version = "1.0.125", features = ["derive"] }
 serde_json = "1.0.63"
 serde_plain = "1.0.0"
-snafu = "0.6.10"
+snafu = "0.7.0"
 tempfile = "3.1.0"
 untrusted = "0.7.0"
 url = "2.1.0"
diff --git a/tuftool/Cargo.toml b/tuftool/Cargo.toml
index fc7632e2..1b6a7c53 100644
--- a/tuftool/Cargo.toml
+++ b/tuftool/Cargo.toml
@@ -32,7 +32,7 @@ rusoto_kms = { version = "0.47", optional = true, default-features = false }
 serde = "1.0.125"
 serde_json = "1.0.63"
 simplelog = "0.10"
-snafu = { version = "0.6.10", features = ["backtraces-impl-backtrace-crate"] }
+snafu = { version = "0.7.0", features = ["backtraces-impl-backtrace-crate"] }
 structopt = "0.3"
 tempfile = "3.1.0"
 tokio = "~1.8"  # LTS