diff --git a/tests/UnitTests/Engine/Core/ProcessTests.cpp b/tests/UnitTests/Engine/Core/ProcessTests.cpp
index bf55eb19c..46ab6df5c 100644
--- a/tests/UnitTests/Engine/Core/ProcessTests.cpp
+++ b/tests/UnitTests/Engine/Core/ProcessTests.cpp
@@ -39,7 +39,7 @@ SCENARIO("Process", "[CORE][PROCESS]")
 			REQUIRE(false);
 		}
 
-		std::this_thread::sleep_for(std::chrono::seconds(3));
+		std::this_thread::sleep_for(std::chrono::seconds(4));
 
 		// Some files were written in the ProcessTests directory
 
diff --git a/tests/UnitTests/subprocess1.cpp b/tests/UnitTests/subprocess1.cpp
index 2d851e400..4a7675557 100644
--- a/tests/UnitTests/subprocess1.cpp
+++ b/tests/UnitTests/subprocess1.cpp
@@ -39,5 +39,5 @@ int main(int argc, char* argv[])
 	}
 
 	// Wait for our child process to start and check for our existence
-	std::this_thread::sleep_for(std::chrono::milliseconds(500));
+	std::this_thread::sleep_for(std::chrono::seconds(1));
 }
diff --git a/tests/UnitTests/subprocess2.cpp b/tests/UnitTests/subprocess2.cpp
index e1f493b4a..5806e8d20 100644
--- a/tests/UnitTests/subprocess2.cpp
+++ b/tests/UnitTests/subprocess2.cpp
@@ -57,7 +57,7 @@ int main(int argc, char* argv[])
 	successFile5.Flush();
 
 	// Wait until parent dies
-	std::this_thread::sleep_for(std::chrono::seconds(1));
+	std::this_thread::sleep_for(std::chrono::seconds(2));
 
 	result = Nz::Process::Exists(pid);
 	if (!result)