diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 509194e0b2..277b0eb543 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,6 +16,7 @@ jobs:
   prepare-base:
     name: Prepare base dependencies
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
       pre-commit-key: ${{ steps.generate-pre-commit-key.outputs.key }}
@@ -76,6 +77,7 @@ jobs:
   formatting:
     name: Run pre-commit checks
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     needs: prepare-base
     steps:
       - name: Check out code from GitHub
@@ -118,6 +120,7 @@ jobs:
   prepare-tests-linux:
     name: Prepare tests for Python ${{ matrix.python-version }} (Linux)
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
@@ -161,6 +164,7 @@ jobs:
   pytest-linux:
     name: Run tests Python ${{ matrix.python-version }} (Linux)
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     needs: prepare-tests-linux
     strategy:
       fail-fast: false
@@ -200,6 +204,7 @@ jobs:
   coverage:
     name: Process test coverage
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     needs: ["prepare-tests-linux", "pytest-linux"]
     strategy:
       matrix:
@@ -244,6 +249,7 @@ jobs:
   prepare-tests-windows:
     name: Prepare tests for Python ${{ matrix.python-version }} (Windows)
     runs-on: windows-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
@@ -287,6 +293,7 @@ jobs:
   pytest-windows:
     name: Run tests Python ${{ matrix.python-version }} (Windows)
     runs-on: windows-latest
+    timeout-minutes: 10
     needs: prepare-tests-windows
     strategy:
       fail-fast: false
@@ -325,6 +332,7 @@ jobs:
   prepare-tests-pypy:
     name: Prepare tests for Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: ["pypy3"]
@@ -367,6 +375,7 @@ jobs:
   pytest-pypy:
     name: Run tests Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     needs: prepare-tests-pypy
     strategy:
       fail-fast: false