diff --git a/Cargo.lock b/Cargo.lock
index 67ea6f8f..3ef98a43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -516,6 +516,15 @@ dependencies = [
  "generic-array 0.12.3",
 ]
 
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array 0.14.2",
+]
+
 [[package]]
 name = "directories"
 version = "1.0.2"
@@ -744,6 +753,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac746a5f3bbfdadd6106868134545e684693d54d9d44f6e9588a7d54af0bf980"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -1529,6 +1548,12 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 
+[[package]]
+name = "version_check"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
+
 [[package]]
 name = "wagyu"
 version = "0.6.3"
@@ -1537,7 +1562,7 @@ dependencies = [
  "base58",
  "clap",
  "colored",
- "digest 0.8.1",
+ "digest 0.9.0",
  "either",
  "failure",
  "hex 0.4.2",
@@ -1562,7 +1587,7 @@ dependencies = [
  "base58",
  "bech32",
  "bitvec",
- "digest 0.8.1",
+ "digest 0.9.0",
  "failure",
  "hex 0.4.2",
  "hmac",
diff --git a/Cargo.toml b/Cargo.toml
index 44e4bd5b..dae71a02 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ arrayvec = { version = "0.5.1" }
 base58 = { version = "0.1" }
 clap = { version = "~2.33.1" }
 colored = { version = "1.9" }
-digest = { version = "0.8.1" }
+digest = { version = "0.9.0" }
 either = { version = "1.5.3" }
 failure = { version = "0.1.8" }
 hex = { version = "0.4.2" }
diff --git a/bitcoin/Cargo.toml b/bitcoin/Cargo.toml
index fd8924f0..b86aa069 100644
--- a/bitcoin/Cargo.toml
+++ b/bitcoin/Cargo.toml
@@ -22,7 +22,7 @@ wagyu-model = { path = "../model", version = "0.6.3", default-features = false }
 base58 = { version = "0.1" }
 bech32 = { version = "0.6.0" }
 bitvec = { version = "0.17.4" }
-digest = { version = "0.8.1" }
+digest = { version = "0.9.0" }
 failure = { version = "0.1.8", default-features = false }
 hex = { version = "0.4.2", default-features = false }
 hmac = { version = "0.7.0" }