diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 212d367..2f3fb36 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ env:
   CARGO_NET_RETRY: 10
   CARGO_TERM_COLOR: always
   RUST_BACKTRACE: full
+  RUSTDOCFLAGS: -D warnings
   RUSTFLAGS: -D warnings
   RUSTUP_MAX_RETRIES: 10
 
@@ -39,23 +40,23 @@ jobs:
           - nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/github-actions/install-rust@main
         with:
           toolchain: ${{ matrix.rust }}
-          component: rustfmt
+          component: rustfmt,rust-src
           target: thumbv7m-none-eabi
       - uses: dtolnay/install@cargo-expand
         if: startsWith(matrix.rust, 'nightly')
       - run: cargo test --all --all-features
       - run: cargo build --manifest-path tests/no-std/Cargo.toml --target thumbv7m-none-eabi
 
-  build:
+  msrv:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/install-action@cargo-hack
@@ -64,7 +65,7 @@ jobs:
   miri:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/github-actions/install-rust@main
@@ -72,13 +73,13 @@ jobs:
           component: miri
       - run: cargo miri test --workspace --all-features
         env:
-          MIRIFLAGS: -Zmiri-check-number-validity -Zmiri-symbolic-alignment-check -Zmiri-tag-raw-pointers
+          MIRIFLAGS: -Zmiri-strict-provenance -Zmiri-symbolic-alignment-check
           RUSTFLAGS: ${{ env.RUSTFLAGS }} -Z randomize-layout
 
   tidy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/github-actions/install-rust@main
@@ -99,13 +100,11 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/github-actions/install-rust@main
       - run: cargo doc --workspace --all-features
-        env:
-          RUSTDOCFLAGS: -D warnings
 
   # This job doesn't actually test anything, but they're used to tell bors the
   # build completed, as there is no practical way to detect when a workflow is
@@ -118,7 +117,7 @@ jobs:
     if: github.event_name == 'push' && success()
     needs:
       - test
-      - build
+      - msrv
       - miri
       - tidy
       - docs
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5c17e03..5ca93b8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,7 +26,7 @@ jobs:
     if: github.repository_owner == 'taiki-e'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           persist-credentials: false
       - uses: taiki-e/github-actions/install-rust@main