diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 7aa79ea..954149d 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -11,6 +11,7 @@ jobs:
   test-macos:
     name: Test macOS
     runs-on: macos-latest
+    timeout-minutes: 15
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -24,6 +25,7 @@ jobs:
   test-ios:
     name: Test iOS
     runs-on: macos-latest
+    timeout-minutes: 20
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -50,6 +52,7 @@ jobs:
     name: Test Linux
     runs-on: ubuntu-latest
     container: swift:6.1
+    timeout-minutes: 15
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/Tests/SwiftPathTests/ConcurrencyTests.swift b/Tests/SwiftPathTests/ConcurrencyTests.swift
index 48207c4..b43d5df 100644
--- a/Tests/SwiftPathTests/ConcurrencyTests.swift
+++ b/Tests/SwiftPathTests/ConcurrencyTests.swift
@@ -12,6 +12,7 @@
 import XCTest
 @testable import SwiftPath
 
+#if !os(Linux)
 final class ConcurrencyTests: XCTestCase {
 
     private let booksJson = """
@@ -317,3 +318,4 @@ final class ConcurrencyTests: XCTestCase {
         }
     }
 }
+#endif