diff --git a/Cargo.toml b/Cargo.toml
index 7a7ca9c5..8ea34993 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,8 @@ keywords = ["zkSNARKs", "cryptography", "proofs"]
 rust-version="1.67.1"
 
 [dependencies]
-bellpepper-core = { version="0.4.0", default-features = false }
-bellpepper = { version="0.4.0", default-features = false }
+bellpepper-core = { git="https://github.com/lurk-lab/bellpepper", branch="dev", default-features = false }
+bellpepper = { git="https://github.com/lurk-lab/bellpepper", branch="dev", default-features = false }
 ff = { version = "0.13.0", features = ["derive"] }
 digest = "0.10"
 sha3 = "0.10"
@@ -21,9 +21,9 @@ rayon = "1.7"
 rand_core = { version = "0.6", default-features = false }
 rand_chacha = "0.3"
 subtle = "2.5"
-pasta_curves = { version = "0.5", features = ["repr-c", "serde"] }
-neptune = { version = "13.0.0", default-features = false }
-generic-array = "0.14"
+pasta_curves = { git="https://github.com/lurk-lab/pasta_curves", branch="dev", features = ["repr-c", "serde"] }
+neptune = { git="https://github.com/lurk-lab/neptune", branch="dev", default-features = false }
+generic-array = "0.14.4"
 num-bigint = { version = "0.4", features = ["serde", "rand"] }
 num-traits = "0.2"
 num-integer = "0.1"
@@ -37,7 +37,7 @@ group = "0.13.0"
 once_cell = "1.18.0"
 
 [target.'cfg(any(target_arch = "x86_64", target_arch = "aarch64"))'.dependencies]
-pasta-msm = { version = "0.1.4" }
+pasta-msm = { git="https://github.com/lurk-lab/pasta-msm", branch="dev", version = "0.1.4" }
 
 [target.wasm32-unknown-unknown.dependencies]
 # see https://github.com/rust-random/rand/pull/948
@@ -77,3 +77,7 @@ portable = ["pasta-msm/portable"]
 cuda = ["neptune/cuda", "neptune/pasta", "neptune/arity24"]
 opencl = ["neptune/opencl", "neptune/pasta", "neptune/arity24"]
 flamegraph = ["pprof/flamegraph", "pprof/criterion"]
+
+# This is needed to ensure halo2curves, which imports pasta-curves, uses the *same* traits in bn256_grumpkin
+[patch.crates-io]
+pasta_curves = { git="https://github.com/lurk-lab/pasta_curves", branch="dev" }