diff --git a/tests/kernel-cases/threads/2822-modelled-thread-in-filleted-cube/expected.json b/tests/kernel-cases/threads/2822-modelled-thread-in-filleted-cube/expected.json
index fd7ce87291..f493c0a438 100644
--- a/tests/kernel-cases/threads/2822-modelled-thread-in-filleted-cube/expected.json
+++ b/tests/kernel-cases/threads/2822-modelled-thread-in-filleted-cube/expected.json
@@ -27,5 +27,6 @@
    20,
    10
   ]
- }
+ },
+ "timeout_s": 600
 }
diff --git a/tests/kernel-cases/threads/3952-modelled-thread-in-blind-hole-of-revolved-ring/expected.json b/tests/kernel-cases/threads/3952-modelled-thread-in-blind-hole-of-revolved-ring/expected.json
index fc806d35fd..a23718cc9e 100644
--- a/tests/kernel-cases/threads/3952-modelled-thread-in-blind-hole-of-revolved-ring/expected.json
+++ b/tests/kernel-cases/threads/3952-modelled-thread-in-blind-hole-of-revolved-ring/expected.json
@@ -19,5 +19,6 @@
    30,
    30
   ]
- }
+ },
+ "timeout_s": 600
 }
diff --git a/tests/kernel-cases/threads/4149-internal-thread-below-counterbore-filleted-rim/expected.json b/tests/kernel-cases/threads/4149-internal-thread-below-counterbore-filleted-rim/expected.json
index 02d00be605..c7ede9a0fb 100644
--- a/tests/kernel-cases/threads/4149-internal-thread-below-counterbore-filleted-rim/expected.json
+++ b/tests/kernel-cases/threads/4149-internal-thread-below-counterbore-filleted-rim/expected.json
@@ -22,5 +22,6 @@
    20,
    30
   ]
- }
+ },
+ "timeout_s": 600
 }