diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index c780a63..ecfce2e 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -53,7 +53,7 @@ propcache==0.3.2
 psutil-home-assistant==0.0.1
 PyJWT==2.10.1
 pymicro-vad==1.0.1
-PyNaCl==1.5.0
+PyNaCl==1.6.2
 pyOpenSSL==25.1.0
 pyserial==3.5
 pyspeex-noise==1.0.2
diff --git a/requirements_all.txt b/requirements_all.txt
index 9676a96..fdbe6e7 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -74,7 +74,7 @@ PyMicroBot==0.0.17
 
 # homeassistant.components.mobile_app
 # homeassistant.components.owntracks
-PyNaCl==1.5.0
+PyNaCl==1.6.2
 
 # homeassistant.auth.mfa_modules.totp
 # homeassistant.components.homekit