diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c5a1ef0..4a10401 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,9 +16,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Nargo
-        uses: noir-lang/noirup@v0.1.2
+        uses: noir-lang/noirup@v0.1.3
         with:
-          toolchain: v0.17.0
+          toolchain: v0.16.0
 
       - name: Run nargo test
         run: |
diff --git a/README.md b/README.md
index c4da29b..cedcf64 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # Noir SHA-2
 
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Nargo Test 🌌](https://github.com/michaelelliot/noir-sha2/actions/workflows/test.yml/badge.svg)](https://github.com/michaelelliot/noir-sha2/actions/workflows/test.yml)
+[![Noir](https://img.shields.io/badge/Noir-0.16.0-blue.svg)](https://github.com/noir-lang/noir)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Nargo Test 🌌](https://github.com/michaelelliot/noir-sha2/actions/workflows/test.yml/badge.svg)](https://github.com/michaelelliot/noir-sha2/actions/workflows/test.yml)
 
 This library contains a Noir implementation of the SHA-2 hashing algorithm.
 
@@ -10,13 +12,13 @@ In your `Nargo.toml` file, add the following dependency:
 
 ```toml
 [dependencies]
-sha2 = { tag = "v0.0.2", git = "https://github.com/michaelelliot/noir-sha2", directory = "crates/noir-sha2" }
+sha2 = { tag = "v0.0.3", git = "https://github.com/michaelelliot/noir-sha2", directory = "crates/noir-sha2" }
 ```
 
 Then use it in your Noir project like this:
 
 ```rust
-use dep::sha2::{sha256};
+use dep::sha2::sha256;
 
 fn main(input: [u8; 64], input_len: u16, hash: pub [u8; 32]) {
     // Generate sha256 hash of input
diff --git a/crates/noir-sha2/Nargo.toml b/crates/noir-sha2/Nargo.toml
index 5056c10..02d0266 100644
--- a/crates/noir-sha2/Nargo.toml
+++ b/crates/noir-sha2/Nargo.toml
@@ -2,5 +2,5 @@
 name = "sha2"
 type = "lib"
 authors = ["@michaelelliot"]
-compiler_version = ">=0.20.0"
+compiler_version = ">=0.16.0"
 license = "MIT"
diff --git a/example/Nargo.toml b/example/Nargo.toml
index c34bc21..c4817bb 100644
--- a/example/Nargo.toml
+++ b/example/Nargo.toml
@@ -2,7 +2,7 @@
 name = "sha2_example"
 type = "bin"
 authors = ["@michaelelliot"]
-compiler_version = ">=0.20.0"
+compiler_version = ">=0.16.0"
 
 [dependencies]
 sha2 = { path = "../crates/noir-sha2" }