diff --git a/zcash_client_backend/Cargo.toml b/zcash_client_backend/Cargo.toml
index 620f29eac..49b4b8bfa 100644
--- a/zcash_client_backend/Cargo.toml
+++ b/zcash_client_backend/Cargo.toml
@@ -21,7 +21,7 @@ hex = "0.4"
 jubjub = { version = "0.4", path = "../jubjub" }
 protobuf = "=2.14.0" # 2.15 has MSRV of 1.44.1
 subtle = "2"
-zcash_primitives = { version = "0.2", path = "../zcash_primitives" }
+zcash_primitives = { version = "0.3", path = "../zcash_primitives" }
 
 [build-dependencies]
 protobuf-codegen-pure = "2.14"
diff --git a/zcash_client_sqlite/Cargo.toml b/zcash_client_sqlite/Cargo.toml
index efdfac859..e1ed3357d 100644
--- a/zcash_client_sqlite/Cargo.toml
+++ b/zcash_client_sqlite/Cargo.toml
@@ -22,7 +22,7 @@ rand_core = "0.5.1"
 rusqlite = { version = "0.23", features = ["bundled"] }
 time = "0.1"
 zcash_client_backend = { version = "0.2", path = "../zcash_client_backend" }
-zcash_primitives = { version = "0.2", path = "../zcash_primitives" }
+zcash_primitives = { version = "0.3", path = "../zcash_primitives" }
 
 [dev-dependencies]
 rand_core = "0.5.1"
diff --git a/zcash_primitives/Cargo.toml b/zcash_primitives/Cargo.toml
index e1f6692ac..c60d94f32 100644
--- a/zcash_primitives/Cargo.toml
+++ b/zcash_primitives/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "zcash_primitives"
 description = "Rust implementations of the Zcash primitives"
-version = "0.2.0"
+version = "0.3.0"
 authors = [
     "Jack Grigg <jack@z.cash>",
 ]
diff --git a/zcash_proofs/Cargo.toml b/zcash_proofs/Cargo.toml
index 6e4f7773d..ec3efe914 100644
--- a/zcash_proofs/Cargo.toml
+++ b/zcash_proofs/Cargo.toml
@@ -27,7 +27,7 @@ lazy_static = "1"
 minreq = { version = "2", features = ["https"], optional = true }
 rand_core = "0.5.1"
 wagyu-zcash-parameters = { version = "0.2", optional = true }
-zcash_primitives = { version = "0.2", path = "../zcash_primitives" }
+zcash_primitives = { version = "0.3", path = "../zcash_primitives" }
 
 [dev-dependencies]
 rand_xorshift = "0.2"