diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9062bed..64c9715 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,7 +50,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v7
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           components: rustfmt
@@ -88,7 +88,7 @@ jobs:
       - name: Install protobuf (Windows)
         if: runner.os == 'Windows'
         run: choco install protoc -y
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           components: clippy
@@ -132,7 +132,7 @@ jobs:
       - uses: actions/checkout@v7
       - name: Install system libraries (fontconfig for plotters, protobuf)
         run: sudo apt-get update -q && sudo apt-get install -y libfontconfig1-dev mold protobuf-compiler
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           # Keep in sync with `rust-version` in Cargo.toml and `msrv` in
           # clippy.toml.
@@ -170,7 +170,7 @@ jobs:
       - uses: actions/checkout@v7
       - name: Install system libraries (fontconfig for plotters, protobuf)
         run: sudo apt-get update -q && sudo apt-get install -y libfontconfig1-dev mold protobuf-compiler
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: doc
@@ -217,7 +217,7 @@ jobs:
       - name: Install protobuf (Windows)
         if: runner.os == 'Windows'
         run: choco install protoc -y
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           # Keep this cache separate from the clippy job's; the test
@@ -282,7 +282,7 @@ jobs:
       - uses: actions/checkout@v7
       - name: Install system libraries
         run: sudo apt-get update -q && sudo apt-get install -y libfontconfig1-dev mold protobuf-compiler
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           # Reuse the test job's Linux cache so the Cargo deps are warm
@@ -334,7 +334,7 @@ jobs:
       - uses: actions/checkout@v7
       - name: Install mold linker
         run: sudo apt-get update -q && sudo apt-get install -y mold
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: publish-dry-run
@@ -377,7 +377,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v7
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: audit
diff --git a/.github/workflows/npm-build-publish.yml b/.github/workflows/npm-build-publish.yml
index ececb1a..1193f5c 100644
--- a/.github/workflows/npm-build-publish.yml
+++ b/.github/workflows/npm-build-publish.yml
@@ -146,7 +146,7 @@ jobs:
         if: runner.os == 'Windows'
         run: choco install protoc -y
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           target: ${{ matrix.target }}
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index f4c3c0a..1b3ed35 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -125,7 +125,7 @@ jobs:
           ref: ${{ steps.branch.outputs.name }}
           token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         if: ${{ steps.release.outputs.pr != '' }}
         with:
           toolchain: stable
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f8a9a72..36828c1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -125,7 +125,7 @@ jobs:
         # in sync with the publish job below.
         run: sudo apt-get update -q && sudo apt-get install -y mold protobuf-compiler
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: release-verify
@@ -152,7 +152,7 @@ jobs:
       - name: Install system libraries
         run: sudo apt-get update -q && sudo apt-get install -y libfontconfig1-dev mold protobuf-compiler
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: release-publish
diff --git a/.github/workflows/verify-hyperd-pin.yml b/.github/workflows/verify-hyperd-pin.yml
index 7086c46..8c8b4cf 100644
--- a/.github/workflows/verify-hyperd-pin.yml
+++ b/.github/workflows/verify-hyperd-pin.yml
@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v7
       - name: Install build + guard dependencies (mold, python3-yaml)
         run: sudo apt-get update -q && sudo apt-get install -y mold python3-yaml
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
         with:
           toolchain: stable
           cache-key: verify-hyperd-pin