diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index 1490a0d..0ad3c1b 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -252,7 +252,7 @@
                 "toolchain_file":   ["toolchain_GNUARM.cmake",
                                      "toolchain_ARMCLANG.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [False],
                 "test_psa_api":     ["CRYPTO",
                                      "PROTECTED_STORAGE",
@@ -274,7 +274,7 @@
                 "toolchain_file":   ["toolchain_GNUARM.cmake",
                                      "toolchain_ARMCLANG.cmake"],
                 "psa_api":          [True],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [False],
                 "test_psa_api":     ["IPC"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],
@@ -293,7 +293,7 @@
                 "toolchain_file":   ["toolchain_GNUARM.cmake",
                                      "toolchain_ARMCLANG.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [False],
                 "test_psa_api":     ["CRYPTO",
                                      "PROTECTED_STORAGE",
@@ -315,7 +315,7 @@
                 "toolchain_file":   ["toolchain_GNUARM.cmake",
                                      "toolchain_ARMCLANG.cmake"],
                 "psa_api":          [True],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [False],
                 "test_psa_api":     ["IPC"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],
@@ -334,7 +334,7 @@
                 "toolchain_file":   ["toolchain_GNUARM.cmake",
                                      "toolchain_ARMCLANG.cmake"],
                 "psa_api":          [True],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [True],
                 "test_psa_api":     ["OFF"],
                 "cmake_build_type": ["Release"],
@@ -469,7 +469,7 @@
                 "toolchain_file":   ["toolchain_ARMCLANG.cmake",
                                      "toolchain_GNUARM.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [True, False],
                 "test_psa_api":     ["OFF"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],
@@ -489,7 +489,7 @@
                 "toolchain_file":   ["toolchain_ARMCLANG.cmake",
                                      "toolchain_GNUARM.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [True, False],
                 "test_psa_api":     ["OFF"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],
@@ -512,7 +512,7 @@
                 "toolchain_file":   ["toolchain_ARMCLANG.cmake",
                                      "toolchain_GNUARM.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [True, False],
                 "test_psa_api":     ["OFF"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],
@@ -534,7 +534,7 @@
                 "toolchain_file":   ["toolchain_ARMCLANG.cmake",
                                      "toolchain_GNUARM.cmake"],
                 "psa_api":          [True, False],
-                "isolation_level":  ["1", "2"],
+                "isolation_level":  ["1", "2", "3"],
                 "test_regression":  [True, False],
                 "test_psa_api":     ["OFF"],
                 "cmake_build_type": ["Debug", "Release", "Minsizerel"],