diff --git a/package b/package
index 7fe5a9e4..b0f5dd8e 100755
--- a/package
+++ b/package
@@ -5,6 +5,7 @@ git pull
 ./submodule_update.sh
 cp icons/picodrive.png opk/
 cp AUTHORS COPYING README opk/
+cp picodrive.sh opk/
 
 cd /opt/FunKey-OS
 rm -rf FunKey/output/build/picodrive-*
@@ -27,7 +28,7 @@ esac
 print '[Desktop Entry]
 Name=Mega Drive
 Comment=MS/MD/MCD/32X emulator
-Exec=PicoDrive %f
+Exec=picodrive.sh %f
 Icon=picodrive
 Categories=emulators;
 SelectorFilter=zip,md,smd,sms,32x,cue,cso,iso,chd' > opk/picodrive.funkey-s.desktop
diff --git a/pico/cd/libchdr b/pico/cd/libchdr
index d3ffd20c..15ff8d67 160000
--- a/pico/cd/libchdr
+++ b/pico/cd/libchdr
@@ -1 +1 @@
-Subproject commit d3ffd20ca71686877372dea7f9eed359dbf65ba2
+Subproject commit 15ff8d67554f8651f4c971f4d42176214b96ce7b
diff --git a/picodrive.sh b/picodrive.sh
new file mode 100755
index 00000000..43c93d87
--- /dev/null
+++ b/picodrive.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+# Check md5 of the PicoDrive binary in /usr/games
+myhash=$(md5sum /usr/games/PicoDrive | cut -d' ' -f1)
+if [ $myhash != "5b42024e8e3a20e5a8b58ccd203b7c90" ] || [ ! -f /usr/games/PicoDrive ]; then
+	rw
+	cp -f PicoDrive /usr/games
+	ro
+fi
+	./PicoDrive "$1"
diff --git a/platform/common/dr_libs b/platform/common/dr_libs
index 61fcf380..8ed02263 160000
--- a/platform/common/dr_libs
+++ b/platform/common/dr_libs
@@ -1 +1 @@
-Subproject commit 61fcf380728dc7fc7b781aae058b44055831b3e7
+Subproject commit 8ed0226390948788220d24e7c5d9f2945534714d
diff --git a/platform/common/minimp3 b/platform/common/minimp3
index a4e25853..ca7c7060 160000
--- a/platform/common/minimp3
+++ b/platform/common/minimp3
@@ -1 +1 @@
-Subproject commit a4e25853c7aa3fd7e665a1811a2a80788ecc794b
+Subproject commit ca7c706001331a5a8e3182ce3b3ce3b243589154