diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c20b6d5..058254f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu]
         rust: [nightly, beta, stable, 1.64]
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -51,19 +51,26 @@ jobs:
   miri:
     name: Miri
     runs-on: ubuntu-latest
-    timeout-minutes: 45
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu]
+        flags: [--no-default-features, "", --all-features]
+    env:
+      MIRIFLAGS: -Zmiri-strict-provenance
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@miri
-      - run: cargo miri setup
-      - run: cargo miri test
-        env:
-          MIRIFLAGS: -Zmiri-strict-provenance
+        with:
+          target: ${{ matrix.target }}
+      - run: cargo miri setup --target ${{ matrix.target }} ${{ matrix.flags }}
+      - run: cargo miri test --target ${{ matrix.target }} ${{ matrix.flags }}
 
   fuzz:
     name: Fuzz
     runs-on: ubuntu-latest
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -84,7 +91,7 @@ jobs:
   clippy:
     name: Clippy
     runs-on: ubuntu-latest
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@clippy
@@ -93,7 +100,7 @@ jobs:
   docs:
     name: docs
     runs-on: ubuntu-latest
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -106,7 +113,7 @@ jobs:
   fmt:
     name: fmt
     runs-on: ubuntu-latest
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -118,7 +125,7 @@ jobs:
     name: Outdated
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
-    timeout-minutes: 45
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/install@cargo-outdated