diff --git a/pyproject.toml b/pyproject.toml
index e50f633485b..e03e0fda88e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,9 @@ dependencies    = [
     "certifi>=2021.5.30",
     "ciso8601==2.3.1",
     "fnv-hash-fast==0.5.0",
+    # hass-nabucasa is imported by helpers which don't depend on the cloud
+    # integration
+    "hass-nabucasa==0.78.0",
     # When bumping httpx, please check the version pins of
     # httpcore, anyio, and h11 in gen_requirements_all
     "httpx==0.27.0",
diff --git a/requirements.txt b/requirements.txt
index 2a9358c911f..03f3ec987fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ bcrypt==4.1.2
 certifi>=2021.5.30
 ciso8601==2.3.1
 fnv-hash-fast==0.5.0
+hass-nabucasa==0.78.0
 httpx==0.27.0
 home-assistant-bluetooth==1.12.0
 ifaddr==0.2.0