diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd473c1..335ebac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,8 +9,6 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2022-12-10
-          override: true
           components: rustfmt
       - run: make fmt
   clippy:
@@ -20,8 +18,6 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2022-12-10
-          override: true
           components: clippy
       - run: make clippy
   test:
@@ -31,8 +27,6 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2022-12-10
-          override: true
       - run: make test
   par-test:
     runs-on: ubuntu-latest
@@ -41,8 +35,6 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2022-12-10
-          override: true
       - run: make test_par
   bench:
     runs-on: ubuntu-latest
@@ -51,6 +43,4 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly-2022-12-10
-          override: true
       - run: make bench
diff --git a/Cargo.toml b/Cargo.toml
index 19e3b10..e9c60e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ethers-core = { git = "https://github.com/scroll-tech/ethers-rs.git", branch = "v2.0.7", features = ["scroll"] }
+ethers-core = "2.0.7"
 itertools = "0.10.5"
 hash-circuit = { package = "poseidon-circuit", git = "https://github.com/scroll-tech/poseidon-circuit.git", branch = "scroll-dev-1201" }
 halo2_proofs = { git = "https://github.com/privacy-scaling-explorations/halo2.git", tag = "v2022_09_10" }