diff --git a/Cargo.toml b/Cargo.toml
index 2fffe2b0..2e608e2d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,18 +22,16 @@ lto = "thin"
 incremental = true
 
 [patch."https://github.com/privacy-scaling-explorations/halo2curves"]
-halo2curves = { git = "https://github.com/timoftime/halo2curves", branch = "dev/bls12_381" }
-# halo2curves = { path = "../halo2curves" }
-# [patch."https://github.com/timoftime/halo2curves"]
+halo2curves = { git = "https://github.com/sygmaprotocol/halo2curves", branch = "dev/bls12_381" }
 # halo2curves = { path = "../halo2curves" }
 
 [patch."https://github.com/axiom-crypto/halo2-lib"]
-halo2-base = { git = "https://github.com/timoftime/halo2-lib", rev = "1a2f896a5cd9ed4039a497697b83eafabec62519", default-features = false, features = [
+halo2-base = { git = "https://github.com/timoftime/halo2-lib", rev = "4f49f5a359bd6c3dd594fb85221ae7e2a2fa2eaa", default-features = false, features = [
     "halo2-pse",
     "display",
 ] }
-halo2-ecc = { git = "https://github.com/timoftime/halo2-lib", rev = "1a2f896a5cd9ed4039a497697b83eafabec62519", default-features = false }
-poseidon = { git = "https://github.com/timoftime/halo2-lib", rev = "1a2f896a5cd9ed4039a497697b83eafabec62519", default-features = false }
+halo2-ecc = { git = "https://github.com/timoftime/halo2-lib", rev = "4f49f5a359bd6c3dd594fb85221ae7e2a2fa2eaa", default-features = false }
+poseidon = { git = "https://github.com/timoftime/halo2-lib", rev = "4f49f5a359bd6c3dd594fb85221ae7e2a2fa2eaa", default-features = false }
 
 
 # halo2-base = { path = "../halo2-lib/halo2-base", default-features = false, features = [