diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c7fcc42..d2aa51e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
@@ -74,7 +74,7 @@ jobs:
 
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
diff --git a/primitives/Cargo.toml b/primitives/Cargo.toml
index 6f2ce05..ea6af86 100644
--- a/primitives/Cargo.toml
+++ b/primitives/Cargo.toml
@@ -30,4 +30,4 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
 
 impl-serde = { version = "0.4.0", default-features = false }
 impl-codec = { version = "0.6.0", default-features = false }
-primitive-types = { version = "0.12.2", default-features = false, features = ["codec", "scale-info", "num-traits", "impl-serde"] }
+primitive-types = { version = "0.12.2", default-features = false, features = ["codec", "scale-info", "num-traits"] }