diff --git a/tools/kconfig/bootstrap_venv.sh b/tools/kconfig/bootstrap_venv.sh
index a1830b9c3..9342100f9 100755
--- a/tools/kconfig/bootstrap_venv.sh
+++ b/tools/kconfig/bootstrap_venv.sh
@@ -11,9 +11,11 @@ if [[ ! -f "${REQ}" ]]; then
 	exit 1
 fi
 
-if [[ -x "${VENV}/bin/python" ]] && "${VENV}/bin/python" -c "import kconfiglib" 2>/dev/null; then
+if [[ -x "${VENV}/bin/python" ]] && "${VENV}/bin/python" -c 'import kconfiglib, sys; __import__("tomllib" if sys.version_info >= (3, 11) else "tomli")' 2>/dev/null; then
 	exit 0
 fi
 
-python3 -m venv "${VENV}"
+if [[ ! -x "${VENV}/bin/pip" ]]; then
+	python3 -m venv "${VENV}"
+fi
 "${VENV}/bin/pip" install -q -r "${REQ}"
diff --git a/tools/kconfig/kconfig_cli.py b/tools/kconfig/kconfig_cli.py
index ffef3f699..a2964b240 100644
--- a/tools/kconfig/kconfig_cli.py
+++ b/tools/kconfig/kconfig_cli.py
@@ -7,9 +7,13 @@
 import os
 import re
 import sys
-import tomllib
 from pathlib import Path
 
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib
+
 _KCONF_ARCH_TO_DIR: dict[str, str] = {
     "ARCH_AARCH64": "aarch64",
     "ARCH_RISCV64": "riscv64",
diff --git a/tools/kconfig/requirements.txt b/tools/kconfig/requirements.txt
index 3c91d8914..1e0d7bc4a 100644
--- a/tools/kconfig/requirements.txt
+++ b/tools/kconfig/requirements.txt
@@ -1,2 +1,3 @@
 PySocks>=1.7.1
 kconfiglib>=14.1.0
+tomli>=2.0.1; python_version < "3.11"