diff --git a/.github/workflows/api-breakage.yml b/.github/workflows/api-breakage.yml
index 1b044136d..da1f501aa 100644
--- a/.github/workflows/api-breakage.yml
+++ b/.github/workflows/api-breakage.yml
@@ -9,6 +9,7 @@ on:
 jobs:
   linux:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     container:
       image: swift:5.7
     steps:
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index c5f8bf000..68cb3556f 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -7,6 +7,7 @@ on:
 jobs:
   macos:
     runs-on: macOS-latest
+    timeout-minutes: 15
     steps:
     - name: Checkout
       uses: actions/checkout@v3
@@ -19,6 +20,7 @@ jobs:
 
   linux:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
       matrix:
         image:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67028252c..e5985062d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,7 @@ env:
 jobs:
   macos:
     runs-on: macOS-latest
+    timeout-minutes: 15
     steps:
     - name: Checkout
       uses: actions/checkout@v3
@@ -38,6 +39,7 @@ jobs:
         file: info.lcov
   linux:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
       matrix:
         image:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8c41a8d18..eec0cf4b7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -10,6 +10,7 @@ jobs:
   analyze:
     name: Analyze
     runs-on: macos-latest
+    timeout-minutes: 15
     permissions:
       security-events: write
 
diff --git a/.github/workflows/gen-docs.yml b/.github/workflows/gen-docs.yml
index d4ac6dcdf..0c0e9b81c 100644
--- a/.github/workflows/gen-docs.yml
+++ b/.github/workflows/gen-docs.yml
@@ -9,6 +9,7 @@ jobs:
   build:
 
     runs-on: macOS-latest
+    timeout-minutes: 15
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/swift-nightly.yml b/.github/workflows/swift-nightly.yml
index 957284c7f..1194563dc 100644
--- a/.github/workflows/swift-nightly.yml
+++ b/.github/workflows/swift-nightly.yml
@@ -11,6 +11,7 @@ env:
 jobs:
   linux:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
       matrix:
         tag: ['nightly-focal', 'nightly-jammy', 'nightly-amazonlinux2']
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index b2aa0ed63..3eb098911 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -6,6 +6,7 @@ on:
 jobs:
   validate:
     runs-on: macOS-latest
+    timeout-minutes: 15
     steps:
     - name: Checkout
       uses: actions/checkout@v3