diff --git a/Cargo.lock b/Cargo.lock
index 510049c..6b9818c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -260,9 +260,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.84"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f8e7c90afad890484a21653d08b6e209ae34770fb5ee298f9c699fcc1e5c856"
+checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
 dependencies = [
  "libc",
 ]
diff --git a/README.md b/README.md
index afc9798..4d11959 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,9 @@
 
 [![build](https://github.com/ssh-vault/ssh-vault/actions/workflows/build.yml/badge.svg)](https://github.com/ssh-vault/ssh-vault/actions/workflows/build.yml)
 [![test](https://github.com/ssh-vault/ssh-vault/actions/workflows/test.yml/badge.svg)](https://github.com/ssh-vault/ssh-vault/actions/workflows/test.yml)
+[![codecov](https://codecov.io/gh/ssh-vault/ssh-vault/graph/badge.svg?token=cWvIQCym2l)](https://codecov.io/gh/ssh-vault/ssh-vault)
 
-encrypt/decrypt using ssh private keys
+encrypt/decrypt using ssh keys
 
 ### Documentation