diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index a1241741d0a..9e395de5f3c 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -39,7 +39,7 @@ ifaddr==0.2.0
 Jinja2==3.1.4
 lru-dict==1.3.0
 mutagen==1.47.0
-orjson==3.10.7
+orjson==3.10.9
 packaging>=23.1
 paho-mqtt==1.6.1
 Pillow==10.4.0
diff --git a/pyproject.toml b/pyproject.toml
index 91c40549f9c..4e34b3f8862 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ dependencies    = [
     "Pillow==10.4.0",
     "propcache==0.2.0",
     "pyOpenSSL==24.2.1",
-    "orjson==3.10.7",
+    "orjson==3.10.9",
     "packaging>=23.1",
     "psutil-home-assistant==0.0.1",
     "python-slugify==8.0.4",
diff --git a/requirements.txt b/requirements.txt
index 86e8cefabfb..4b5ef55354f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ cryptography==43.0.1
 Pillow==10.4.0
 propcache==0.2.0
 pyOpenSSL==24.2.1
-orjson==3.10.7
+orjson==3.10.9
 packaging>=23.1
 psutil-home-assistant==0.0.1
 python-slugify==8.0.4