diff --git a/.clang-tidy.hash b/.clang-tidy.hash
index e3c1f2e30b..f9de2bc05d 100644
--- a/.clang-tidy.hash
+++ b/.clang-tidy.hash
@@ -1 +1 @@
-bb17a9237b701c18a0ec885a709409305d2b777e9d4a3cf49b2e71e2144b3fe0
+0f2b9a65dce7c59289d3aeb40936360a62a7be937b585147b45bb1509eaafb36
diff --git a/esphome/components/libretiny/__init__.py b/esphome/components/libretiny/__init__.py
index 5ae1118fa2..01445da7ee 100644
--- a/esphome/components/libretiny/__init__.py
+++ b/esphome/components/libretiny/__init__.py
@@ -192,16 +192,15 @@ def _notify_old_style(config):
 
 # The dev and latest branches will be at *least* this version, which is what matters.
 # Use GitHub releases directly to avoid PlatformIO moderation delays.
-# TODO: Revert to v1.12.0 tag once https://github.com/libretiny-eu/libretiny/pull/361 is released
 ARDUINO_VERSIONS = {
-    "dev": (cv.Version(1, 12, 0), "https://github.com/libretiny-eu/libretiny.git"),
+    "dev": (cv.Version(1, 12, 1), "https://github.com/libretiny-eu/libretiny.git"),
     "latest": (
-        cv.Version(1, 12, 0),
-        "https://github.com/bdraco/libretiny.git#7f52d41",
+        cv.Version(1, 12, 1),
+        "https://github.com/libretiny-eu/libretiny.git#v1.12.1",
     ),
     "recommended": (
-        cv.Version(1, 12, 0),
-        "https://github.com/bdraco/libretiny.git#7f52d41",
+        cv.Version(1, 12, 1),
+        "https://github.com/libretiny-eu/libretiny.git#v1.12.1",
     ),
 }
 
diff --git a/platformio.ini b/platformio.ini
index 349bdc4341..ada900ffb2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -213,8 +213,7 @@ build_unflags =
 ; This are common settings for the LibreTiny (all variants) using Arduino.
 [common:libretiny-arduino]
 extends = common:arduino
-# TODO: Revert to v1.12.0 tag once https://github.com/libretiny-eu/libretiny/pull/361 is released
-platform = https://github.com/bdraco/libretiny.git#7f52d41
+platform = https://github.com/libretiny-eu/libretiny.git#v1.12.1
 framework = arduino
 lib_compat_mode = soft
 lib_deps =