diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b1f8eff7..5dc0fc7a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@
 
 ### Breaking changes
 
+### Features
+
+### Improvements
+
+### Bug fixes
+
+## v0.3.0
+
+### Breaking changes
+
 - [\#285](https://github.com/arkworks-rs/algebra/pull/285) (ark-ec) Remove `ATE_LOOP_COUNT_IS_NEGATIVE` from BN curve parameter trait.
 - [\#292](https://github.com/arkworks-rs/algebra/pull/292) (ark-ec) Remove `CycleEngine`.
 - [\#293](https://github.com/arkworks-rs/algebra/pull/293) (ark-ff) Remove `ark_ff::test_rng`.
diff --git a/ec/Cargo.toml b/ec/Cargo.toml
index edc7e1adb..866a63586 100644
--- a/ec/Cargo.toml
+++ b/ec/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-ec"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for elliptic curves and pairings"
 homepage = "https://arkworks.rs"
@@ -13,9 +13,9 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [dependencies]
-ark-std = { version = "0.2.0", default-features = false }
-ark-serialize = { version = "^0.2.0", path = "../serialize", default-features = false }
-ark-ff = { version = "^0.2.0", path = "../ff", default-features = false }
+ark-std = { version = "^0.3.0", default-features = false }
+ark-serialize = { version = "^0.3.0", path = "../serialize", default-features = false }
+ark-ff = { version = "^0.3.0", path = "../ff", default-features = false }
 derivative = { version = "2", features = ["use_core"] }
 num-traits = { version = "0.2", default-features = false }
 rayon = { version = "1", optional = true }
diff --git a/ff-asm/Cargo.toml b/ff-asm/Cargo.toml
index f85d57918..0d61841f2 100644
--- a/ff-asm/Cargo.toml
+++ b/ff-asm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-ff-asm"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for generating x86-64 assembly for finite field multiplication"
 homepage = "https://arkworks.rs"
diff --git a/ff-macros/Cargo.toml b/ff-macros/Cargo.toml
index 676c71049..e199abd18 100644
--- a/ff-macros/Cargo.toml
+++ b/ff-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-ff-macros"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for generating x86-64 assembly for finite field multiplication"
 homepage = "https://arkworks.rs"
diff --git a/ff/Cargo.toml b/ff/Cargo.toml
index e49f25289..fc293a88d 100644
--- a/ff/Cargo.toml
+++ b/ff/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-ff"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for finite fields"
 homepage = "https://arkworks.rs"
@@ -14,10 +14,10 @@ edition = "2018"
 build = "build.rs"
 
 [dependencies]
-ark-ff-asm = { version = "^0.2.0", path = "../ff-asm" }
-ark-ff-macros = { version = "^0.2.0", path = "../ff-macros" }
-ark-std = { version = "0.2.0", default-features = false }
-ark-serialize = { version = "^0.2.0", path = "../serialize", default-features = false }
+ark-ff-asm = { version = "^0.3.0", path = "../ff-asm" }
+ark-ff-macros = { version = "^0.3.0", path = "../ff-macros" }
+ark-std = { version = "^0.3.0", default-features = false }
+ark-serialize = { version = "^0.3.0", path = "../serialize", default-features = false }
 derivative = { version = "2", features = ["use_core"] }
 num-traits = { version = "0.2", default-features = false }
 paste = "1.0"
diff --git a/poly-benches/Cargo.toml b/poly-benches/Cargo.toml
index 905196ce8..7883f0f34 100644
--- a/poly-benches/Cargo.toml
+++ b/poly-benches/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-poly-benches"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for benchmarking finite-field FFTs"
 include = ["Cargo.toml", "src", "README.md", "LICENSE-APACHE", "LICENSE-MIT"]
@@ -9,10 +9,10 @@ edition = "2018"
 publish = false
 
 [dependencies]
-ark-ff = { version = "^0.2.0", path = "../ff" }
-ark-poly = { version = "^0.2.0", path = "../poly" }
-ark-std = { version = "0.2.0", default-features = false }
-ark-test-curves = { version = "^0.2.0", path = "../test-curves", default-features = false, features = [ "bls12_381_scalar_field", "mnt4_753_curve" ] }
+ark-ff = { version = "^0.3.0", path = "../ff" }
+ark-poly = { version = "^0.3.0", path = "../poly" }
+ark-std = { version = "^0.3.0", default-features = false }
+ark-test-curves = { version = "^0.3.0", path = "../test-curves", default-features = false, features = [ "bls12_381_scalar_field", "mnt4_753_curve" ] }
 criterion = "0.3.1"
 rayon = { version = "1", optional = true }
 
diff --git a/poly-benches/benches/dense_uv_polynomial.rs b/poly-benches/benches/dense_uv_polynomial.rs
index ef4807547..6d123cebd 100644
--- a/poly-benches/benches/dense_uv_polynomial.rs
+++ b/poly-benches/benches/dense_uv_polynomial.rs
@@ -46,7 +46,7 @@ fn bench_sparse_poly_evaluate<F: Field>(b: &mut Bencher, non_zero_entries: &usiz
     let mut rng = &mut ark_std::test_rng();
     let mut inner: Vec<(usize, F)> = Vec::with_capacity(*non_zero_entries);
     (0..*non_zero_entries)
-        .for_each(|_| inner.push((rng.gen_range(0, MAX_DEGREE), F::rand(&mut rng))));
+        .for_each(|_| inner.push((rng.gen_range(0..MAX_DEGREE), F::rand(&mut rng))));
     let poly = SparsePolynomial::<F>::from_coefficients_vec(inner);
     b.iter(|| {
         // Per benchmark iteration
diff --git a/poly/Cargo.toml b/poly/Cargo.toml
index a4ecb4ec9..83b694f42 100644
--- a/poly/Cargo.toml
+++ b/poly/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-poly"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for efficient polynomial arithmetic via FFTs over finite fields"
 homepage = "https://arkworks.rs"
@@ -13,9 +13,9 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [dependencies]
-ark-ff = { version = "^0.2.0", path = "../ff", default-features = false }
-ark-serialize = { version = "^0.2.0", path = "../serialize", default-features = false, features = ["derive"] }
-ark-std = { version = "0.2.0", default-features = false }
+ark-ff = { version = "^0.3.0", path = "../ff", default-features = false }
+ark-serialize = { version = "^0.3.0", path = "../serialize", default-features = false, features = ["derive"] }
+ark-std = { version = "^0.3.0", default-features = false }
 rayon = { version = "1", optional = true }
 derivative = { version = "2", default-features = false, features = [ "use_core" ] }
 hashbrown = { version = "0.11.1"}
diff --git a/poly/src/polynomial/multivariate/sparse.rs b/poly/src/polynomial/multivariate/sparse.rs
index 650c4962e..a5f48695d 100644
--- a/poly/src/polynomial/multivariate/sparse.rs
+++ b/poly/src/polynomial/multivariate/sparse.rs
@@ -253,7 +253,7 @@ mod tests {
     /// Generate random `l`-variate polynomial of maximum individual degree `d`
     fn rand_poly<R: Rng>(l: usize, d: usize, rng: &mut R) -> SparsePolynomial<Fr, SparseTerm> {
         let mut random_terms = Vec::new();
-        let num_terms = rng.gen_range(1, 1000);
+        let num_terms = rng.gen_range(1..1000);
         // For each term, randomly select up to `l` variables with degree
         // in [1,d] and random coefficient
         random_terms.push((Fr::rand(rng), SparseTerm::new(vec![])));
@@ -261,7 +261,7 @@ mod tests {
             let term = (0..l)
                 .map(|i| {
                     if rng.gen_bool(0.5) {
-                        Some((i, rng.gen_range(1, d + 1)))
+                        Some((i, rng.gen_range(1..(d + 1))))
                     } else {
                         None
                     }
diff --git a/serialize-derive/Cargo.toml b/serialize-derive/Cargo.toml
index ba1676273..79cbc0c81 100644
--- a/serialize-derive/Cargo.toml
+++ b/serialize-derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-serialize-derive"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks Contributors" ]
 description = "A library for deriving serialization traits for the arkworks ecosystem"
 homepage = "https://arkworks.rs"
diff --git a/serialize/Cargo.toml b/serialize/Cargo.toml
index 991deed1a..3c4675983 100644
--- a/serialize/Cargo.toml
+++ b/serialize/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-serialize"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for serializing types in the arkworks ecosystem"
 homepage = "https://arkworks.rs"
@@ -13,8 +13,8 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [dependencies]
-ark-serialize-derive = { version = "^0.2.0", path = "../serialize-derive", optional = true }
-ark-std = { version = "0.2.0", default-features = false }
+ark-serialize-derive = { version = "^0.3.0", path = "../serialize-derive", optional = true }
+ark-std = { version = "^0.3.0", default-features = false }
 digest = { version = "0.9", default-features = false }
 
 [dev-dependencies]
diff --git a/test-curves/Cargo.toml b/test-curves/Cargo.toml
index 9c91ae360..1222ef980 100644
--- a/test-curves/Cargo.toml
+++ b/test-curves/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-test-curves"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for testing ark-ec & ark-poly"
 homepage = "https://arkworks.rs"
@@ -13,13 +13,13 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [dependencies]
-ark-std = { version = "^0.2.0", default-features = false }
-ark-ff = { version = "^0.2.0", path = "../ff", default-features = false }
-ark-ec = { version = "^0.2.0", path = "../ec", default-features = false }
+ark-std = { version = "^0.3.0", default-features = false }
+ark-ff = { version = "^0.3.0", path = "../ff", default-features = false }
+ark-ec = { version = "^0.3.0", path = "../ec", default-features = false }
 
 [dev-dependencies]
-ark-serialize = { version = "^0.2.0", path = "../serialize", default-features = false }
-ark-algebra-test-templates = { version = "^0.2.0", path = "../test-templates", default-features = false }
+ark-serialize = { version = "^0.3.0", path = "../serialize", default-features = false }
+ark-algebra-test-templates = { version = "^0.3.0", path = "../test-templates", default-features = false }
 
 [features]
 default = []
diff --git a/test-templates/Cargo.toml b/test-templates/Cargo.toml
index 2c9c74956..bdb91409d 100644
--- a/test-templates/Cargo.toml
+++ b/test-templates/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ark-algebra-test-templates"
-version = "0.2.0"
+version = "0.3.0"
 authors = [ "arkworks contributors" ]
 description = "A library for tests for finite fields, elliptic curves, and pairings"
 homepage = "https://arkworks.rs"
@@ -13,10 +13,10 @@ license = "MIT/Apache-2.0"
 edition = "2018"
 
 [dependencies]
-ark-std = { version = "0.2.0", default-features = false }
-ark-serialize = { version = "^0.2.0", path = "../serialize", default-features = false }
-ark-ff = { version = "^0.2.0", path = "../ff", default-features = false }
-ark-ec = { version = "^0.2.0", path = "../ec", default-features = false }
+ark-std = { version = "^0.3.0", default-features = false }
+ark-serialize = { version = "^0.3.0", path = "../serialize", default-features = false }
+ark-ff = { version = "^0.3.0", path = "../ff", default-features = false }
+ark-ec = { version = "^0.3.0", path = "../ec", default-features = false }
 
 [features]
 default = []