Update dependencies

.travis.yml

@@ -20,18 +20,14 @@ matrix:
   include:
     - env: NAME='nightly'
       rust: nightly
-    - env: NAME='rustfmt'
-      rust: nightly
-      before_script:
-        - rustup component add rustfmt-preview
-      script:
-        - cargo fmt --all -- --check
+
     - env: NAME='clippy'
-      rust: nightly-2018-07-22
+      rust: nightly-2019-07-19
       before_script:
-        - rustup component add clippy-preview
+        - rustup component add clippy
       script:
-        - cargo clippy --all --all-features -- -D clippy
+        - cargo clippy --all --all-features -- -D clippy::all
+
     - env: NAME='kcov'
       sudo: required # travis-ci/travis-ci#9061
       before_script:

Cargo.toml

@@ -12,11 +12,11 @@ homepage      = "https://github.com/SpinResearch/merkle_sigs.rs"
 repository    = "https://github.com/SpinResearch/merkle_sigs.rs"
 
 [dependencies]
-ring = "^0.13.0"
-lamport_sigs = "^0.6.0"
+ring = "^0.16.1"
+lamport_sigs = "^0.7.0"
 
 [dependencies.merkle]
-version = "^1.10.0"
+version = "^1.11.0"
 features = ["serialization-protobuf"]
 
 [package.metadata.release]

PROTOC_VERSION

@@ -1 +1 @@
-3.5.1
+3.7.1