diff --git a/requirements.txt b/requirements.txt
index 81f3cbcdd2..15c14642b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ requests==2.34.2
 py7zr==1.1.3
 platformdirs==4.11.12  # native esp-idf toolchain global cache dir
 ninja==1.13.2  # native host and esp8266 arduino toolchain build driver
-filelock==4.0.1  # inter-process locks (PlatformIO cache heal, git clone cache); >=3.32 for FileLock(fallback_to_soft=...), older versions silently drop the kwarg
+filelock==4.0.3  # inter-process locks (PlatformIO cache heal, git clone cache); >=3.32 for FileLock(fallback_to_soft=...), older versions silently drop the kwarg
 
 # esp-idf >= 5.0 requires this
 pyparsing >= 3.3.3