diff --git a/platformio.ini b/platformio.ini
index aa9fb5bf61..10bf38f2f0 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -112,6 +112,7 @@ build_flags   = ${common.build_flags}
 upload_speed  = 57600
 lib_deps      = ${common.lib_deps}
 monitor_speed = 250000
+platform_packages = toolchain-atmelavr@1.50400.190710
 
 #
 # Melzi and clones (Optiboot bootloader)
@@ -124,6 +125,7 @@ build_flags   = ${common.build_flags}
 upload_speed  = 115200
 lib_deps      = ${common.lib_deps}
 monitor_speed = 250000
+platform_packages = toolchain-atmelavr@1.50400.190710
 
 #
 # RAMBo
@@ -147,6 +149,7 @@ board         = sanguino_atmega644p
 build_flags   = ${common.build_flags}
 lib_deps      = ${common.lib_deps}
 monitor_speed = 250000
+platform_packages = toolchain-atmelavr@1.50400.190710
 
 #
 # Sanguinololu (ATmega1284p)
@@ -158,6 +161,7 @@ board         = sanguino_atmega1284p
 build_flags   = ${common.build_flags}
 lib_deps      = ${common.lib_deps}
 monitor_speed = 250000
+platform_packages = toolchain-atmelavr@1.50400.190710
 
 #
 # Teensy++ 2.0