diff --git a/pkgs/development/python-modules/nanoemoji/default.nix b/pkgs/development/python-modules/nanoemoji/default.nix
index 231183bfcfe0..d243ae457835 100644
--- a/pkgs/development/python-modules/nanoemoji/default.nix
+++ b/pkgs/development/python-modules/nanoemoji/default.nix
@@ -23,21 +23,19 @@
 
 buildPythonPackage rec {
   pname = "nanoemoji";
-  version = "0.15.1";
+  version = "0.15.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "googlefonts";
     repo = "nanoemoji";
     tag = "v${version}";
-    hash = "sha256-P/lT0PnjTdYzyttICzszu4OL5kj+X8GHZ8doL3tpXQM=";
+    hash = "sha256-/YZKmeLgEQog6A1stXkoN+OrcF/LsgltQ/3BeCCtSqQ=";
   };
 
   patches = [
     # this is necessary because the tests clear PATH/PYTHONPATH otherwise
     ./test-pythonpath.patch
-    # minor difference in the test output, most likely due to different dependency versions
-    ./fix-test.patch
   ];
 
   build-system = [
@@ -91,11 +89,11 @@ buildPythonPackage rec {
     export PATH="$out/bin:$PATH"
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Wee tool to build color fonts";
     homepage = "https://github.com/googlefonts/nanoemoji";
     changelog = "https://github.com/googlefonts/nanoemoji/releases/tag/v${version}";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ _999eagle ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ _999eagle ];
   };
 }
diff --git a/pkgs/development/python-modules/nanoemoji/fix-test.patch b/pkgs/development/python-modules/nanoemoji/fix-test.patch
deleted file mode 100644
index 4582df9ea5b8..000000000000
--- a/pkgs/development/python-modules/nanoemoji/fix-test.patch
+++ /dev/null
@@ -1,24 +0,0 @@
---- a/tests/proportional_cbdt.ttx
-+++ b/tests/proportional_cbdt.ttx
-@@ -13,7 +13,7 @@
-     <mtx name=".notdef" width="0" lsb="5"/>
-     <mtx name=".space" width="0" lsb="0"/>
-     <mtx name="e000" width="110" lsb="0"/>
--    <mtx name="e001" width="73" lsb="0"/>
-+    <mtx name="e001" width="74" lsb="0"/>
-   </hmtx>
- 
-   <cmap>
-@@ -79,10 +79,10 @@
-       <cbdt_bitmap_format_17 name="e001">
-         <SmallGlyphMetrics>
-           <height value="128"/>
--          <width value="85"/>
-+          <width value="86"/>
-           <BearingX value="0"/>
-           <BearingY value="104"/>
--          <Advance value="85"/>
-+          <Advance value="86"/>
-         </SmallGlyphMetrics>
-         <extfileimagedata value="e001.png"/>
-       </cbdt_bitmap_format_17>