diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index b39edaf64b1..7ccb1987551 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -45,7 +45,7 @@ ifaddr==0.2.0
 Jinja2==3.1.6
 lru-dict==1.3.0
 mutagen==1.47.0
-orjson==3.10.15
+orjson==3.10.16
 packaging>=23.1
 paho-mqtt==2.1.0
 Pillow==11.1.0
diff --git a/pyproject.toml b/pyproject.toml
index 0144a3c8ffd..1c7cf859829 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ dependencies    = [
     "Pillow==11.1.0",
     "propcache==0.3.0",
     "pyOpenSSL==25.0.0",
-    "orjson==3.10.15",
+    "orjson==3.10.16",
     "packaging>=23.1",
     "psutil-home-assistant==0.0.1",
     "python-slugify==8.0.4",
diff --git a/requirements.txt b/requirements.txt
index e530ea5de08..dfebcd491ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ cryptography==44.0.1
 Pillow==11.1.0
 propcache==0.3.0
 pyOpenSSL==25.0.0
-orjson==3.10.15
+orjson==3.10.16
 packaging>=23.1
 psutil-home-assistant==0.0.1
 python-slugify==8.0.4