diff --git a/.github/workflows/as-e2e.yml b/.github/workflows/as-e2e.yml
index 1ba4b9cdd..d9afd26b2 100644
--- a/.github/workflows/as-e2e.yml
+++ b/.github/workflows/as-e2e.yml
@@ -28,7 +28,7 @@ jobs:
     name: TEE=${{ matrix.restful_tee_enum }} Generate Evidence Dynamically=${{ matrix.generate_evidence }}
     runs-on: ${{ matrix.runner }}
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
       GRPC_TEE_ENUM: ${{ matrix.grpc_tee_enum }}
       RESTFUL_TEE_ENUM: ${{ matrix.restful_tee_enum }}
     steps:
diff --git a/.github/workflows/as-rust.yml b/.github/workflows/as-rust.yml
index 3235d38d0..a6791a6f7 100644
--- a/.github/workflows/as-rust.yml
+++ b/.github/workflows/as-rust.yml
@@ -24,7 +24,7 @@ jobs:
     name: Check
     runs-on: ubuntu-22.04
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
     steps:
       - name: Code checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/kbs-docker-e2e.yml b/.github/workflows/kbs-docker-e2e.yml
index 3d75f6f9c..849e6ead1 100644
--- a/.github/workflows/kbs-docker-e2e.yml
+++ b/.github/workflows/kbs-docker-e2e.yml
@@ -13,7 +13,7 @@ jobs:
   e2e-test:
     runs-on: ubuntu-latest
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
     steps:
     - name: Checkout KBS
       uses: actions/checkout@v4
diff --git a/.github/workflows/kbs-e2e.yml b/.github/workflows/kbs-e2e.yml
index 5d03733fc..4c5882739 100644
--- a/.github/workflows/kbs-e2e.yml
+++ b/.github/workflows/kbs-e2e.yml
@@ -24,7 +24,7 @@ jobs:
   build-binaries:
     runs-on: ubuntu-22.04
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
     steps:
     - name: Download artifacts
       uses: actions/download-artifact@v4
diff --git a/.github/workflows/kbs-rust.yml b/.github/workflows/kbs-rust.yml
index eacd5a6aa..61b65770a 100644
--- a/.github/workflows/kbs-rust.yml
+++ b/.github/workflows/kbs-rust.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
     runs-on: ubuntu-22.04
 
     steps:
diff --git a/.github/workflows/push-kbs-client-to-ghcr.yml b/.github/workflows/push-kbs-client-to-ghcr.yml
index 22d5c28d1..a78bb26bb 100644
--- a/.github/workflows/push-kbs-client-to-ghcr.yml
+++ b/.github/workflows/push-kbs-client-to-ghcr.yml
@@ -14,7 +14,7 @@ jobs:
           - x86_64
           - s390x
     env:
-      RUSTC_VERSION: 1.76.0
+      RUSTC_VERSION: 1.83.0
     runs-on: ${{ matrix.arch == 'x86_64' && 'ubuntu-22.04' || 's390x' }}
     permissions:
       contents: read
diff --git a/rvps/src/extractors/mod.rs b/rvps/src/extractors/mod.rs
index 04677692e..ea6c764d1 100644
--- a/rvps/src/extractors/mod.rs
+++ b/rvps/src/extractors/mod.rs
@@ -22,7 +22,7 @@ use super::{Message, ReferenceValue};
 /// reference value (degest, s.t. hash value and name of the artifact)
 /// from the provenance. If the verification fails, no reference value
 /// will be extracted.
-
+///
 /// `Extractors` defines the interfaces of Extractors.
 pub trait Extractors {
     /// Process the message, e.g. verifying