diff --git a/libs/cpp-test/kind.json b/libs/cpp-test/pxt.json
similarity index 100%
rename from libs/cpp-test/kind.json
rename to libs/cpp-test/pxt.json
diff --git a/libs/hello/kind.json b/libs/hello/pxt.json
similarity index 100%
rename from libs/hello/kind.json
rename to libs/hello/pxt.json
diff --git a/libs/i2c-fram/kind.json b/libs/i2c-fram/pxt.json
similarity index 100%
rename from libs/i2c-fram/kind.json
rename to libs/i2c-fram/pxt.json
diff --git a/libs/lang-test0/kind.json b/libs/lang-test0/pxt.json
similarity index 100%
rename from libs/lang-test0/kind.json
rename to libs/lang-test0/pxt.json
diff --git a/libs/microbit-devices/kind.json b/libs/microbit-devices/pxt.json
similarity index 100%
rename from libs/microbit-devices/kind.json
rename to libs/microbit-devices/pxt.json
diff --git a/libs/microbit-radio/kind.json b/libs/microbit-radio/pxt.json
similarity index 100%
rename from libs/microbit-radio/kind.json
rename to libs/microbit-radio/pxt.json
diff --git a/libs/microbit/kind.json b/libs/microbit/pxt.json
similarity index 100%
rename from libs/microbit/kind.json
rename to libs/microbit/pxt.json
diff --git a/libs/neopixel/kind.json b/libs/neopixel/pxt.json
similarity index 100%
rename from libs/neopixel/kind.json
rename to libs/neopixel/pxt.json
diff --git a/kindtarget.json b/pxtarget.json
similarity index 100%
rename from kindtarget.json
rename to pxtarget.json