diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index e118f7ae39b..c8f4bc835ce 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -102,7 +102,7 @@ regex==2021.8.28
 # requirements so we can directly link HA versions to these library versions.
 anyio==3.7.0
 h11==0.14.0
-httpcore==0.17.2
+httpcore==0.17.3
 
 # Ensure we have a hyperframe version that works in Python 3.10
 # 5.2.0 fixed a collections abc deprecation
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 96d8bd03a52..f3d0defac4d 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -107,7 +107,7 @@ regex==2021.8.28
 # requirements so we can directly link HA versions to these library versions.
 anyio==3.7.0
 h11==0.14.0
-httpcore==0.17.2
+httpcore==0.17.3
 
 # Ensure we have a hyperframe version that works in Python 3.10
 # 5.2.0 fixed a collections abc deprecation