diff --git a/platformio.ini b/platformio.ini
index 306ec661..93fad964 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -45,7 +45,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 1.9.984
+release_version = 1.9.99
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 3
@@ -57,12 +57,12 @@ platform_espressif32 = espressif32@1.12.0
 monitor_speed = 115200
 upload_speed = 115200
 lib_deps_lora =
-    MCCI LoRaWAN LMIC library@>=3.1.0 ; MCCI LMIC by Terrill Moore
+    MCCI LoRaWAN LMIC library@3.1.0 ; MCCI LMIC by Terrill Moore
 lib_deps_display =
-    ss_oled@4.1.2 ; simple and small OLED lib by Larry Bank
-    BitBang_I2C@2.0.2
-    QRCode@>=0.0.1
-    TFT_eSPI@>=2.2.0
+    ss_oled@4.1.2 ; fast and small OLED lib by Larry Bank
+    BitBang_I2C@2.0.3
+    QRCode@0.0.1
+    TFT_eSPI@2.2.0
 lib_deps_matrix_display =
     Ultrathin_LED_Matrix@>=1.0.0
 lib_deps_rgbled =
@@ -110,7 +110,7 @@ framework = arduino
 board = esp32dev
 board_build.partitions = min_spiffs.csv
 upload_speed = ${common.upload_speed}
-;upload_port = COM5
+;upload_port = COM8
 platform = ${common.platform_espressif32}
 lib_deps = ${common.lib_deps_all}
 build_flags = ${common.build_flags_all}