diff --git a/.github/workflows/kotlin.yml b/.github/workflows/kotlin.yml
index 6729da90b..fc4025f24 100644
--- a/.github/workflows/kotlin.yml
+++ b/.github/workflows/kotlin.yml
@@ -32,14 +32,12 @@ jobs:
         working-directory: ./kotlin/android
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
-        working-directory: ./rust
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ./rust
           key: ubuntu-22.04-${{ runner.arch }}
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - uses: dtolnay/rust-toolchain@stable
       - uses: actions/setup-java@v3
         with:
           distribution: temurin
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ccfa12ed1..10b0ec076 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -27,13 +27,14 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ./rust
           save-if: ${{ github.ref == 'refs/heads/main' }}
           key: ${{ matrix.runs-on }}-${{ runner.arch }}
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt,clippy
       - run: cargo fmt -- --check
       - run: |
           cargo doc --all-features --no-deps --document-private-items ${{ matrix.packages }}
@@ -62,14 +63,13 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
       - uses: Swatinem/rust-cache@v2
         with:
           # Prevents runner.os caches from conflicting
           key: ${{ matrix.runs-on }}-${{ runner.arch }}
           workspaces: ./rust
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - uses: dtolnay/rust-toolchain@stable
       - run: cargo test --all-features ${{ matrix.packages }}
 
   smoke-test-relay:
@@ -79,11 +79,10 @@ jobs:
         working-directory: ./rust/relay
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ./rust
           key: ubuntu-22.04-${{ runner.arch }}
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - uses: dtolnay/rust-toolchain@stable
       - run: ./run_smoke_test.sh
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 8bf419f98..7d33ceae2 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -7,13 +7,12 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ./rust
           key: ubuntu-22.04-${{ runner.arch }}
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - uses: dtolnay/rust-toolchain@stable
       - name: Check version is up to date
         run: |
           make version
diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 2ffa35bd1..b5480423b 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -48,14 +48,12 @@ jobs:
         working-directory: ./swift/apple
     steps:
       - uses: actions/checkout@v4
-      - name: Update toolchain
-        run: rustup show
-        working-directory: ./rust
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ./rust
           key: ${{ matrix.runs-on }}-${{ runner.arch }}
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - uses: dtolnay/rust-toolchain@stable
       - uses: actions/cache/restore@v3
         name: Restore Swift DerivedData Cache
         with: