diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index b4d8e99e54a..29af3f52a07 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -63,3 +63,7 @@ enum34==1000000000.0.0
 typing==1000000000.0.0
 uuid==1000000000.0.0
 
+# httpcore 0.13.4 breaks several integrations
+# https://github.com/home-assistant/core/issues/51778
+httpcore==0.13.3
+
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 4fd96cb1b04..dc0c5fa2c10 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -83,6 +83,10 @@ enum34==1000000000.0.0
 typing==1000000000.0.0
 uuid==1000000000.0.0
 
+# httpcore 0.13.4 breaks several integrations
+# https://github.com/home-assistant/core/issues/51778
+httpcore==0.13.3
+
 """
 
 IGNORE_PRE_COMMIT_HOOK_ID = (