diff --git a/script/bump-version.py b/script/bump-version.py
index ebc73c5700..2e03ef6f62 100755
--- a/script/bump-version.py
+++ b/script/bump-version.py
@@ -66,7 +66,7 @@ def write_version(version: Version):
     sub(
         'esphome/const.py',
         r"^PATCH_VERSION = .*$",
-        f"PATCH_VERSION = {version.full_patch}"
+        f"PATCH_VERSION = '{version.full_patch}''"
     )