diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 12501e20e..bdc7220f7 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,7 +8,7 @@
       "pnpmVersion": "12.14.0"
     },
     "ghcr.io/devcontainers/features/rust:1": {
-      "version": "1.99.0",
+      "version": "1.99.1",
       "profile": "default"
     },
     "ghcr.io/devcontainers/features/git:1": {},
diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index 46cd15c33..bd4454978 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
@@ -206,7 +206,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
@@ -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
@@ -347,7 +347,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
@@ -454,7 +454,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 6ea3005c9..e7d0b0148 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -74,7 +74,7 @@ jobs:
 
       - name: Install Rust Stable
         if: github.event.inputs[matrix.input] == 'true'
-        uses: dtolnay/rust-toolchain@1.99.0
+        uses: dtolnay/rust-toolchain@1.99.1
 
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2
@@ -129,7 +129,7 @@ jobs:
         if: github.event.inputs[matrix.input] == 'true'
         run: |
           # Ensure cross target is installed for the pinned toolchain; fallback without explicit toolchain if needed
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3ed9f2629..97edf94bc 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
@@ -244,7 +244,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
@@ -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
@@ -389,7 +389,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
@@ -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
@@ -487,7 +487,7 @@ jobs:
 
       - name: Add Rust Target
         run: |
-          rustup target add ${{ matrix.target }} --toolchain 1.99.0 || rustup target add ${{ matrix.target }}
+          rustup target add ${{ matrix.target }} --toolchain 1.99.1 || rustup target add ${{ matrix.target }}
           rustup target list --installed
           echo "Rust target ${{ matrix.target }} installed."
 
diff --git a/.github/workflows/signpath-test.yml b/.github/workflows/signpath-test.yml
index 71d6bbc6c..4f091646c 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 6fbf12b85..b422ea8d4 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
 nodejs 24.22.0
 pnpm 12.14.0
-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"]