diff --git a/udev/90-libinput-model-quirks.hwdb b/udev/90-libinput-model-quirks.hwdb
index 000441fd..f9e7093a 100644
--- a/udev/90-libinput-model-quirks.hwdb
+++ b/udev/90-libinput-model-quirks.hwdb
@@ -103,6 +103,11 @@ libinput:name:*ETPS/2 Elantech Touchpad*:dmi:*svnASUSTeKComputerInc.:pnUX21E:*
 libinput:name:*Elan Touchpad*:dt:*
  LIBINPUT_ATTR_PRESSURE_RANGE=10:8
 
+libinput:name:*Elan Touchpad*:dt:*Chrombook R13*
+libinput:name:*Elan Touchpad*:dt:*CB5-312T*
+libinput:name:*Elan Touchpad*:dt:*Elm*
+ LIBINPUT_ATTR_PRESSURE_RANGE=6:4
+
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 # Google
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