diff --git a/platformio.ini b/platformio.ini
index 67094d96..0a8e5eca 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -59,8 +59,8 @@ upload_speed = 115200
 lib_deps_lora =
     MCCI LoRaWAN LMIC library@>=3.1.0 ; MCCI LMIC by Terrill Moore
 lib_deps_display =
-    ss_oled@>=3.3.1 ; simple and small OLED lib by Larry Bank
-    BitBang_I2C@>=1.3.0
+    ss_oled@3.3.1 ; simple and small OLED lib by Larry Bank
+    BitBang_I2C@1.3.0
     QRCode@>=0.0.1
 lib_deps_matrix_display =
     Ultrathin_LED_Matrix@>=1.0.0