diff --git a/boards/arm/mps3/mps3_corstone300_fvp.yaml b/boards/arm/mps3/mps3_corstone300_fvp.yaml
index e6cb88bc5a74..520e69fc2712 100644
--- a/boards/arm/mps3/mps3_corstone300_fvp.yaml
+++ b/boards/arm/mps3/mps3_corstone300_fvp.yaml
@@ -17,6 +17,7 @@ supported:
   - gpio
 testing:
   default: true
+  timeout_multiplier: 4
   ignore_tags:
     - bluetooth
     - net
diff --git a/boards/arm/mps3/mps3_corstone300_fvp_ns.yaml b/boards/arm/mps3/mps3_corstone300_fvp_ns.yaml
index 52de52a2a1b1..f0561b716c3f 100644
--- a/boards/arm/mps3/mps3_corstone300_fvp_ns.yaml
+++ b/boards/arm/mps3/mps3_corstone300_fvp_ns.yaml
@@ -1,4 +1,4 @@
-# Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# Copyright 2024-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
 # SPDX-License-Identifier: Apache-2.0
 
 identifier: mps3/corstone300/fvp/ns
@@ -12,5 +12,6 @@ toolchain:
   - zephyr
 testing:
   default: true
+  timeout_multiplier: 4
   only_tags:
     - trusted-firmware-m
diff --git a/boards/arm/mps3/mps3_corstone310_fvp.yaml b/boards/arm/mps3/mps3_corstone310_fvp.yaml
index 7259d65a2389..3a9cc5e70a76 100644
--- a/boards/arm/mps3/mps3_corstone310_fvp.yaml
+++ b/boards/arm/mps3/mps3_corstone310_fvp.yaml
@@ -17,6 +17,7 @@ supported:
   - gpio
 testing:
   default: true
+  timeout_multiplier: 4
   ignore_tags:
     - drivers
     - bluetooth
diff --git a/boards/arm/mps3/mps3_corstone310_fvp_ns.yaml b/boards/arm/mps3/mps3_corstone310_fvp_ns.yaml
index 307329bcf902..bfbc54dc16b8 100644
--- a/boards/arm/mps3/mps3_corstone310_fvp_ns.yaml
+++ b/boards/arm/mps3/mps3_corstone310_fvp_ns.yaml
@@ -1,4 +1,4 @@
-# Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# Copyright 2024-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
 # SPDX-License-Identifier: Apache-2.0
 
 identifier: mps3/corstone310/fvp/ns
@@ -12,5 +12,6 @@ toolchain:
   - zephyr
 testing:
   default: true
+  timeout_multiplier: 4
   only_tags:
     - trusted-firmware-m