diff --git a/platformio.ini b/platformio.ini
index 9cc7477d51..6a8b342314 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -49,7 +49,7 @@ lib_deps =
     glmnet/Dsmr@0.5                                       ; dsmr
     rweather/Crypto@0.2.0                                 ; dsmr
     dudanov/MideaUART@1.1.8                               ; midea
-    tonia/HeatpumpIR@^1.0.15                              ; heatpumpir
+    tonia/HeatpumpIR@1.0.15                               ; heatpumpir
 build_flags =
     ${common.build_flags}
     -DUSE_ARDUINO