diff --git a/misc/plover.nix b/misc/plover.nix
index 83d2bac..298247d 100644
--- a/misc/plover.nix
+++ b/misc/plover.nix
@@ -36,7 +36,13 @@ in rec {
     buildPythonPackage rec {
       inherit (tarballs.plover-emoji-src.passthru) pname version;
       src = tarballs.plover-emoji-src;
-      propagatedBuildInputs = [plover];
+      propagatedBuildInputs = [plover simplefuzzyset];
+      checkInputs = [pytest];
+    };
+  simplefuzzyset = with python3Packages;
+    buildPythonPackage rec {
+      inherit (tarballs.simplefuzzyset-src.passthru) pname version;
+      src = tarballs.simplefuzzyset-src;
     };
   plover-tapey-tape = with python3Packages;
     buildPythonPackage rec {
diff --git a/python/tarballs.nix b/python/tarballs.nix
index 7234b49..d7483c2 100644
--- a/python/tarballs.nix
+++ b/python/tarballs.nix
@@ -46,4 +46,10 @@ in rec {
     passthru.pname = "plover-yaml-dictionary";
     passthru.version = "0.0.1";
   };
+  simplefuzzyset-src = fetchurl {
+    url = "https://files.pythonhosted.org/packages/ce/bc/7e5d5eaa5566ade033cda9ff0eb51b0942ab2138288b445c469d2814cd2f/simplefuzzyset-0.0.12.tar.gz";
+    sha256 = "9a1b30c38b6afb76c6600bdd66c1c1dc3d8505b082e9e3d466f60f40e8b7e1f2";
+    passthru.pname = "simplefuzzyset";
+    passthru.version = "0.0.12";
+  };
 }
diff --git a/python/update.sh b/python/update.sh
index a765e00..81b1ab3 100755
--- a/python/update.sh
+++ b/python/update.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env nix-shell
 #! nix-shell -i bash -p curl jq 
 set -e
-PACKAGES="plover-plugins-manager plover-stroke rtf-tokenize plover-regenpfeifer plover-emoji plover-tapey-tape plover-yaml-dictionary"
+PACKAGES="plover-plugins-manager plover-stroke rtf-tokenize plover-regenpfeifer plover-emoji plover-tapey-tape plover-yaml-dictionary simplefuzzyset"
 
 cat > tarballs.nix << EOF
 { inputs, pkgs }: let