diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index 394d447a4..904edcdb9 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -40,7 +40,7 @@ jobs:
           echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' | Out-File -FilePath $env:GITHUB_ENV -Append
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -82,7 +82,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
 
       - name: Install cargo-hack
         uses: taiki-e/install-action@v2.24.1
@@ -103,7 +103,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
 
       - name: Install nextest
         uses: taiki-e/install-action@v2.24.1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bcab62192..562e4d339 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
           echo 'OPENSSL_DIR=C:\Program Files\OpenSSL' | Out-File -FilePath $env:GITHUB_ENV -Append
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -93,7 +93,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly
 
@@ -109,7 +109,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index bdd15198b..038c0360e 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           components: llvm-tools-preview
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 13362dbb0..5d427aa90 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+      - uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly
           components: rustfmt
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           components: clippy
 
@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+      - uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly
           components: rust-docs
@@ -72,7 +72,7 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+      - uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly-2023-08-25
 
diff --git a/.github/workflows/upload-doc.yml b/.github/workflows/upload-doc.yml
index f4bd0ceeb..963b7f6b3 100644
--- a/.github/workflows/upload-doc.yml
+++ b/.github/workflows/upload-doc.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly