diff --git a/platformio.ini b/platformio.ini
index c7d4eff8..1c89465f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -53,7 +53,7 @@ build_src_filter =
 
 [esp32_base]
 extends = arduino_base
-platform = platformio/espressif32@^6.11.0
+platform = platformio/espressif32@6.11.0
 monitor_filters = esp32_exception_decoder
 extra_scripts = merge-bin.py
 build_flags = ${arduino_base.build_flags}