diff --git a/script/hassfest/docker.py b/script/hassfest/docker.py
index 4bf6c3bb0a6..1f112c11b94 100644
--- a/script/hassfest/docker.py
+++ b/script/hassfest/docker.py
@@ -103,7 +103,10 @@ RUN --mount=from=ghcr.io/astral-sh/uv:{uv},source=/uv,target=/bin/uv \
         --no-cache \
         -c /usr/src/homeassistant/homeassistant/package_constraints.txt \
         -r /usr/src/homeassistant/requirements.txt \
-        stdlib-list==0.10.0 pipdeptree=={pipdeptree} tqdm=={tqdm} ruff=={ruff} \
+        stdlib-list==0.10.0 \
+        pipdeptree=={pipdeptree} \
+        tqdm=={tqdm} \
+        ruff=={ruff} \
         {required_components_packages}
 
 LABEL "name"="hassfest"
@@ -169,7 +172,7 @@ def _generate_hassfest_dockerimage(
     return File(
         _HASSFEST_TEMPLATE.format(
             timeout=timeout,
-            required_components_packages=" ".join(sorted(packages)),
+            required_components_packages=" \\\n        ".join(sorted(packages)),
             **package_versions,
         ),
         config.root / "script/hassfest/docker/Dockerfile",
diff --git a/script/hassfest/docker/Dockerfile b/script/hassfest/docker/Dockerfile
index ac4d9c256f2..84dc28dab27 100644
--- a/script/hassfest/docker/Dockerfile
+++ b/script/hassfest/docker/Dockerfile
@@ -24,8 +24,18 @@ RUN --mount=from=ghcr.io/astral-sh/uv:0.7.1,source=/uv,target=/bin/uv \
         --no-cache \
         -c /usr/src/homeassistant/homeassistant/package_constraints.txt \
         -r /usr/src/homeassistant/requirements.txt \
-        stdlib-list==0.10.0 pipdeptree==2.26.1 tqdm==4.67.1 ruff==0.11.12 \
-        PyTurboJPEG==1.8.0 go2rtc-client==0.2.1 ha-ffmpeg==3.2.2 hassil==2.2.3 home-assistant-intents==2025.5.28 mutagen==1.47.0 pymicro-vad==1.0.1 pyspeex-noise==1.0.2
+        stdlib-list==0.10.0 \
+        pipdeptree==2.26.1 \
+        tqdm==4.67.1 \
+        ruff==0.11.12 \
+        PyTurboJPEG==1.8.0 \
+        go2rtc-client==0.2.1 \
+        ha-ffmpeg==3.2.2 \
+        hassil==2.2.3 \
+        home-assistant-intents==2025.5.28 \
+        mutagen==1.47.0 \
+        pymicro-vad==1.0.1 \
+        pyspeex-noise==1.0.2
 
 LABEL "name"="hassfest"
 LABEL "maintainer"="Home Assistant <hello@home-assistant.io>"