diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index 49dd85ae2..1cc392c48 100644
--- a/.github/workflows/autobuild.yml
+++ b/.github/workflows/autobuild.yml
@@ -154,7 +154,7 @@ jobs:
       - name: Install Rust Stable
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: ${{ matrix.target }}
 
       - name: Add Rust Target
@@ -257,7 +257,7 @@ jobs:
       - name: Install Rust Stable
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: ${{ matrix.target }}
 
       - name: Add Rust Target
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d2191eeb2..c560a8b41 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -204,7 +204,7 @@ jobs:
       - name: Install Rust Stable
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: ${{ matrix.target }}
 
       - name: Add Rust Target
@@ -311,7 +311,7 @@ jobs:
       - name: Install Rust Stable
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: ${{ matrix.target }}
 
       - name: Add Rust Target
@@ -446,7 +446,7 @@ jobs:
       - name: Install Rust Stable
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: ${{ matrix.target }}
 
       - name: Add Rust Target
diff --git a/.github/workflows/signpath-test.yml b/.github/workflows/signpath-test.yml
index 6d8c0c864..03ae08aa6 100644
--- a/.github/workflows/signpath-test.yml
+++ b/.github/workflows/signpath-test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: '1.99.0'
+          toolchain: '1.99.1'
           targets: x86_64-pc-windows-msvc
 
       - name: Install Node
diff --git a/.tool-versions b/.tool-versions
index 25be9ef6d..198ad31c8 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
 nodejs 24.21.0
 pnpm 12.11.2
-rust 1.99.0
+rust 1.99.1
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 099ed62f9..9ec55b3b6 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.99.0"
+channel = "1.99.1"
 components = ["rustfmt", "clippy"]