diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index 57593f1..f272dd3 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -33,7 +33,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           toolchain: nightly-2026-09-01
           components: llvm-tools-preview
diff --git a/.github/workflows/cont_integration.yml b/.github/workflows/cont_integration.yml
index b83dce9..0bfdd8b 100644
--- a/.github/workflows/cont_integration.yml
+++ b/.github/workflows/cont_integration.yml
@@ -52,7 +52,7 @@ jobs:
 
       # MSRV overrides rust-toolchain.toml; an empty toolchain uses its pinned version.
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           toolchain: ${{ matrix.rust == 'msrv' && steps.msrv.outputs.msrv || '' }}
           cache: true
@@ -84,7 +84,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           cache: false
           rustflags: ""
@@ -105,7 +105,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           cache: true
           cache-key: clippy-${{ matrix.features }}
@@ -129,7 +129,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           cache: true
           cache-key: docs-${{ matrix.features }}
diff --git a/.github/workflows/latest_deps.yml b/.github/workflows/latest_deps.yml
index f54e900..7e29f23 100644
--- a/.github/workflows/latest_deps.yml
+++ b/.github/workflows/latest_deps.yml
@@ -28,7 +28,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@166cdcfd11aee3cb47222f9ddb555ce30ddb9659 # v1.17.0
+        uses: actions-rust-lang/setup-rust-toolchain@ecabd13d1c56bd1345c230e542e9144811ad706f # v2.0.0
         with:
           toolchain: stable
           cache: true