diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index e2c1ce36c..3e131776f 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly
 
@@ -72,7 +72,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff3d26253..e64d6c84d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -93,7 +93,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -130,7 +130,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index a1d335593..c3e3ccba0 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           components: llvm-tools-preview
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8866ec12c..65f8f73af 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly
           components: rustfmt
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           components: clippy
 
@@ -59,7 +59,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/upload-doc.yml b/.github/workflows/upload-doc.yml
index 07b6793a0..9df61a35d 100644
--- a/.github/workflows/upload-doc.yml
+++ b/.github/workflows/upload-doc.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.9.0
         with:
           toolchain: nightly