diff --git a/util/test/rdtest/testcase.py b/util/test/rdtest/testcase.py
index 580dd6acb..09a22c5ce 100644
--- a/util/test/rdtest/testcase.py
+++ b/util/test/rdtest/testcase.py
@@ -135,6 +135,7 @@ class TestCase:
     demos_test_name = ''
     demos_frame_cap = 5
     demos_frame_count = 1
+    demos_timeout = None
     demos_captures_expected = None
     _test_list = {}
 
@@ -208,10 +209,13 @@ class TestCase:
 
         if self.demos_test_name != '':
             logfile = os.path.join(util.get_tmp_dir(), 'demos.log')
+            timeout = self.demos_timeout
+            if timeout is None:
+                timeout = util.get_demos_timeout()
             return capture.run_and_capture(util.get_demos_binary(), self.demos_test_name + " --log " + logfile,
                                            self.demos_frame_cap, frame_count=self.demos_frame_count,
                                            captures_expected=self.demos_captures_expected, logfile=logfile,
-                                           opts=self.get_capture_options(), timeout=util.get_demos_timeout())
+                                           opts=self.get_capture_options(), timeout=timeout)
 
         raise NotImplementedError("If run() is not implemented in a test, then"
                                   "get_capture() and check_capture() must be.")
diff --git a/util/test/tests/D3D11/D3D11_Leak_Check.py b/util/test/tests/D3D11/D3D11_Leak_Check.py
index 03977f22d..2c1fb93b2 100644
--- a/util/test/tests/D3D11/D3D11_Leak_Check.py
+++ b/util/test/tests/D3D11/D3D11_Leak_Check.py
@@ -6,6 +6,7 @@ class D3D11_Leak_Check(rdtest.TestCase):
     demos_test_name = 'D3D11_Leak_Check'
     demos_frame_cap = 50000
     demos_frame_count = 10
+    demos_timeout = 120
 
     def check_capture(self):
         memory: int = rd.GetCurrentProcessMemoryUsage()
diff --git a/util/test/tests/D3D12/D3D12_Leak_Check.py b/util/test/tests/D3D12/D3D12_Leak_Check.py
index e8275260a..48605c609 100644
--- a/util/test/tests/D3D12/D3D12_Leak_Check.py
+++ b/util/test/tests/D3D12/D3D12_Leak_Check.py
@@ -6,6 +6,7 @@ class D3D12_Leak_Check(rdtest.TestCase):
     demos_test_name = 'D3D12_Leak_Check'
     demos_frame_cap = 50000
     demos_frame_count = 10
+    demos_timeout = 120
 
     def check_capture(self):
         memory: int = rd.GetCurrentProcessMemoryUsage()
diff --git a/util/test/tests/GL/GL_Leak_Check.py b/util/test/tests/GL/GL_Leak_Check.py
index 58b1b7622..642c049f2 100644
--- a/util/test/tests/GL/GL_Leak_Check.py
+++ b/util/test/tests/GL/GL_Leak_Check.py
@@ -6,6 +6,7 @@ class GL_Leak_Check(rdtest.TestCase):
     demos_test_name = 'GL_Leak_Check'
     demos_frame_cap = 50000
     demos_frame_count = 1
+    demos_timeout = 120
 
     def check_capture(self):
         memory: int = rd.GetCurrentProcessMemoryUsage()
diff --git a/util/test/tests/Vulkan/VK_Leak_Check.py b/util/test/tests/Vulkan/VK_Leak_Check.py
index 9d38980a6..368dfa3f0 100644
--- a/util/test/tests/Vulkan/VK_Leak_Check.py
+++ b/util/test/tests/Vulkan/VK_Leak_Check.py
@@ -6,6 +6,7 @@ class VK_Leak_Check(rdtest.TestCase):
     demos_test_name = 'VK_Leak_Check'
     demos_frame_cap = 50000
     demos_frame_count = 10
+    demos_timeout = 120
 
     def check_capture(self):
         memory: int = rd.GetCurrentProcessMemoryUsage()