diff --git a/pkgs/applications/misc/plover/default.nix b/pkgs/applications/misc/plover/default.nix
index 09558ff4c47..b9323ece1f4 100644
--- a/pkgs/applications/misc/plover/default.nix
+++ b/pkgs/applications/misc/plover/default.nix
@@ -24,7 +24,7 @@
 
   dev = with python36Packages; buildPythonPackage rec {
     name    = "plover-${version}";
-    version = "4.0.0.dev6";
+    version = "4.0.0.dev8";
 
     meta = with stdenv.lib; {
       description = "OpenSteno Plover stenography software";
@@ -34,14 +34,14 @@
 
     src = fetchurl {
       url    = "https://github.com/openstenoproject/plover/archive/v${version}.tar.gz";
-      sha256 = "067rkpqnjjxwyv9cwh9i925ndba6fvj6q0r56lizy0l26b4jc8rp";
+      sha256 = "1wxkmik1zyw5gqig5r0cas5v6f5408fbnximzw610rdisqy09rxp";
     };
 
     # I'm not sure why we don't find PyQt5 here but there's a similar
     # sed on many of the platforms Plover builds for
     postPatch = "sed -i /PyQt5/d setup.cfg";
 
-    buildInputs           = [ pytest mock ];
-    propagatedBuildInputs = [ Babel pyqt5 xlib pyserial appdirs ];
+    checkInputs           = [ pytest mock ];
+    propagatedBuildInputs = [ Babel pyqt5 xlib pyserial appdirs wcwidth ];
   };
 }