diff --git a/Cargo.lock b/Cargo.lock
index c0b55ae35..74e607449 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1825,7 +1825,7 @@ dependencies = [
 [[package]]
 name = "ff_ext"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "once_cell",
  "p3",
@@ -2614,7 +2614,7 @@ dependencies = [
 [[package]]
 name = "mpcs"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "bincode",
  "clap",
@@ -2623,6 +2623,7 @@ dependencies = [
  "multilinear_extensions",
  "num-integer",
  "p3",
+ "p3-maybe-rayon",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "rayon",
@@ -2638,12 +2639,13 @@ dependencies = [
 [[package]]
 name = "multilinear_extensions"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "either",
  "ff_ext",
  "itertools 0.13.0",
  "p3",
+ "p3-maybe-rayon",
  "rand 0.8.5",
  "rayon",
  "serde",
@@ -2959,7 +2961,7 @@ dependencies = [
 [[package]]
 name = "p3"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "p3-baby-bear",
  "p3-challenger",
@@ -3368,7 +3370,7 @@ dependencies = [
 [[package]]
 name = "poseidon"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "ff_ext",
  "p3",
@@ -4308,7 +4310,7 @@ dependencies = [
 [[package]]
 name = "sp1-curves"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "cfg-if",
  "dashu",
@@ -4414,7 +4416,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 [[package]]
 name = "sumcheck"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "either",
  "ff_ext",
@@ -4432,7 +4434,7 @@ dependencies = [
 [[package]]
 name = "sumcheck_macro"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "itertools 0.13.0",
  "p3",
@@ -4827,7 +4829,7 @@ dependencies = [
 [[package]]
 name = "transcript"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "ff_ext",
  "itertools 0.13.0",
@@ -5099,7 +5101,7 @@ dependencies = [
 [[package]]
 name = "whir"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "bincode",
  "clap",
@@ -5108,6 +5110,7 @@ dependencies = [
  "itertools 0.14.0",
  "multilinear_extensions",
  "p3",
+ "p3-maybe-rayon",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "rayon",
@@ -5386,7 +5389,7 @@ dependencies = [
 [[package]]
 name = "witness"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/gkr-backend.git?branch=updates-for-precompiles#0f8ab8141aadd78c69a0a67ab6bd49399563e6b9"
+source = "git+https://github.com/Sahilgill24/gkr-backend.git?branch=feat%2Fp3-maybe-rayon#a9c8a6d859fa648eae39ac83eb3fcf6c084b47e5"
 dependencies = [
  "ff_ext",
  "multilinear_extensions",
diff --git a/Cargo.toml b/Cargo.toml
index 42c6b41c6..18e0d7427 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,16 +22,16 @@ repository = "https://github.com/scroll-tech/ceno"
 version = "0.1.0"
 
 [workspace.dependencies]
-ff_ext = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "ff_ext", rev = "v1.0.0-alpha.9" }
-mpcs = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "mpcs", rev = "v1.0.0-alpha.9" }
-multilinear_extensions = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "multilinear_extensions", rev = "v1.0.0-alpha.9" }
-p3 = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "p3", rev = "v1.0.0-alpha.9" }
-poseidon = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "poseidon", rev = "v1.0.0-alpha.9" }
-sp1-curves = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "sp1-curves", rev = "v1.0.0-alpha.9" }
-sumcheck = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "sumcheck", rev = "v1.0.0-alpha.9" }
-transcript = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "transcript", rev = "v1.0.0-alpha.9" }
-whir = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "whir", rev = "v1.0.0-alpha.9" }
-witness = { git = "https://github.com/scroll-tech/gkr-backend.git", package = "witness", rev = "v1.0.0-alpha.9" }
+ff_ext = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "ff_ext", branch = "feat/p3-maybe-rayon" }
+mpcs = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "mpcs", branch = "feat/p3-maybe-rayon" }
+multilinear_extensions = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "multilinear_extensions", branch = "feat/p3-maybe-rayon" }
+p3 = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "p3", branch = "feat/p3-maybe-rayon" }
+poseidon = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "poseidon", branch = "feat/p3-maybe-rayon" }
+sp1-curves = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "sp1-curves", branch = "feat/p3-maybe-rayon" }
+sumcheck = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "sumcheck", branch = "feat/p3-maybe-rayon" }
+transcript = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "transcript", branch = "feat/p3-maybe-rayon" }
+whir = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "whir", branch = "feat/p3-maybe-rayon" }
+witness = { git = "https://github.com/Sahilgill24/gkr-backend.git", package = "witness", branch = "feat/p3-maybe-rayon" }
 
 alloy-primitives = "1.3"
 anyhow = { version = "1.0", default-features = false }