diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c66b471..6906ba55 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,7 @@ jobs:
   test:
     name: Test suite
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -27,6 +28,7 @@ jobs:
   windows:
     name: Test suite (windows)
     runs-on: windows-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -39,6 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         rust: [stable, beta]
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -56,6 +59,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu, windows]
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -74,6 +78,7 @@ jobs:
   msrv:
     name: Rust 1.13.0
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@1.13.0
@@ -95,6 +100,7 @@ jobs:
       fail-fast: false
       matrix:
         rust: [1.19.0, 1.20.0, 1.21.0, 1.25.0, 1.26.0, 1.34.0]
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -110,6 +116,7 @@ jobs:
       fail-fast: false
       matrix:
         rust: [1.27.0, 1.28.0]
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -123,6 +130,7 @@ jobs:
   derive:
     name: Rust 1.31.0
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@1.31.0
@@ -133,6 +141,7 @@ jobs:
   alloc:
     name: Rust 1.36.0
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@1.36.0
@@ -141,6 +150,7 @@ jobs:
   emscripten:
     name: Emscripten
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@nightly
@@ -164,6 +174,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@clippy
@@ -177,6 +188,7 @@ jobs:
   miri:
     name: Miri
     runs-on: ubuntu-latest
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@miri
@@ -191,6 +203,7 @@ jobs:
     name: Outdated
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
+    timeout-minutes: 45
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/install@cargo-outdated