diff --git a/poetry.lock b/poetry.lock
index 6fbc785..76a753c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1229,4 +1229,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.7"
-content-hash = "cd1d34ef0836d67b3347a1d5c3c780c5ff79d57e8452ded6ced45ff8715ef46a"
+content-hash = "2ab2ee521fde3f7d47efc114842f5450b55f1f18aec08db84d682b891ab0a3c8"
diff --git a/pyproject.toml b/pyproject.toml
index 8b028ee..00a2424 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ version = "3.0.0"
 [tool.poetry.dependencies]
 python = "^3.7"
 
-actfw-core = ">=2.4.0"
+actfw-core = ">=2.2.0"
 # We postpone adding picamera because https://github.com/waveform80/picamera/pull/405 is not in the latest picamera (1.13) yet.
 
 [tool.poetry.dev-dependencies]