diff --git a/pkgs/applications/editors/aseprite/skia-make-deps.sh b/pkgs/applications/editors/aseprite/skia-make-deps.sh
deleted file mode 100755
index bee69cc40d9d..000000000000
--- a/pkgs/applications/editors/aseprite/skia-make-deps.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env bash
-
-FILTER=$1
-OUT=skia-deps.nix
-REVISION=861e4743af6d9bf6077ae6dda7274e5a136ee4e2
-DEPS=$(curl -s https://raw.githubusercontent.com/aseprite/skia/$REVISION/DEPS)
-THIRD_PARTY_DEPS=$(echo "$DEPS" | grep third_party | grep "#" -v | sed 's/"//g')
-
-function write_fetch_defs ()
-{
-  while read -r DEP; do
-    NAME=$(echo "$DEP" | cut -d: -f1 | cut -d/ -f3 | sed 's/ //g')
-    URL=$(echo "$DEP" | cut -d: -f2- | cut -d@ -f1 | sed 's/ //g')
-    REV=$(echo "$DEP" | cut -d: -f2- | cut -d@ -f2 | sed 's/[ ,]//g')
-
-    echo "Fetching $NAME@$REV"
-    PREFETCH=$(nix-prefetch-git --rev "$REV" "$URL")
-
-(
-cat <<EOF
-  $NAME = fetchgit {
-    url = "$URL";
-    rev = "$REV";
-    sha256 = $(echo $PREFETCH | jq '.sha256');
-  };
-EOF
-) >> "$OUT"
-
-  echo "----------"
-  echo
-  done <<< "$1"
-}
-
-echo "{ fetchgit }:" > "$OUT"
-echo "{" >> "$OUT"
-write_fetch_defs "$(echo "$THIRD_PARTY_DEPS" | grep -E "$FILTER")"
-echo "}" >> "$OUT"
diff --git a/pkgs/applications/editors/aseprite/skia.nix b/pkgs/applications/editors/aseprite/skia.nix
deleted file mode 100644
index 03487aa8941e..000000000000
--- a/pkgs/applications/editors/aseprite/skia.nix
+++ /dev/null
@@ -1,80 +0,0 @@
-{ stdenv, lib, fetchFromGitHub, fetchgit, python3, gn, ninja
-, fontconfig, expat, icu, libglvnd, libjpeg, libpng, libwebp, zlib
-, mesa, libX11, harfbuzzFull
-}:
-
-let
-  # skia-deps.nix is generated by: ./skia-make-deps.sh 'angle2|dng_sdk|piex|sfntly'
-  depSrcs = import ./skia-deps.nix { inherit fetchgit; };
-in
-stdenv.mkDerivation {
-  pname = "skia";
-  version = "aseprite-m102";
-
-  src = fetchFromGitHub {
-    owner = "aseprite";
-    repo = "skia";
-    # latest commit from aseprite-m102 branch
-    rev = "861e4743af6d9bf6077ae6dda7274e5a136ee4e2";
-    hash = "sha256-IlZbalmHl549uDUfPG8hlzub8TLWhG0EsV6HVAPdsl0=";
-  };
-
-  nativeBuildInputs = [ python3 gn ninja ];
-
-  buildInputs = [
-    fontconfig expat icu libglvnd libjpeg libpng libwebp zlib
-    mesa libX11 harfbuzzFull
-  ];
-
-  preConfigure = with depSrcs; ''
-    mkdir -p third_party/externals
-    ln -s ${angle2} third_party/externals/angle2
-    ln -s ${dng_sdk} third_party/externals/dng_sdk
-    ln -s ${piex} third_party/externals/piex
-    ln -s ${sfntly} third_party/externals/sfntly
-  '';
-
-  configurePhase = ''
-    runHook preConfigure
-    gn gen out/Release --args="is_debug=false is_official_build=true extra_cflags=[\"-I${harfbuzzFull.dev}/include/harfbuzz\"]"
-    runHook postConfigure
-  '';
-
-  buildPhase = ''
-    runHook preBuild
-    ninja -C out/Release skia modules
-    runHook postBuild
-  '';
-
-  installPhase = ''
-    mkdir -p $out
-
-    # Glob will match all subdirs.
-    shopt -s globstar
-
-    # All these paths are used in some way when building aseprite.
-    cp -r --parents -t $out/ \
-      include/codec \
-      include/config \
-      include/core \
-      include/effects \
-      include/gpu \
-      include/private \
-      include/utils \
-      include/third_party/skcms/*.h \
-      out/Release/*.a \
-      src/gpu/**/*.h \
-      src/core/*.h \
-      modules/skshaper/include/*.h \
-      third_party/externals/angle2/include \
-      third_party/skcms/**/*.h
-  '';
-
-  meta = with lib; {
-    description = "Skia is a complete 2D graphic library for drawing Text, Geometries, and Images";
-    homepage = "https://skia.org/";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ ];
-    platforms = platforms.all;
-  };
-}
diff --git a/pkgs/applications/editors/aseprite/skia-deps.nix b/pkgs/by-name/sk/skia-aseprite/deps.nix
similarity index 69%
rename from pkgs/applications/editors/aseprite/skia-deps.nix
rename to pkgs/by-name/sk/skia-aseprite/deps.nix
index 3c92c649bebf..a51fe82d9bce 100644
--- a/pkgs/applications/editors/aseprite/skia-deps.nix
+++ b/pkgs/by-name/sk/skia-aseprite/deps.nix
@@ -3,21 +3,21 @@
   angle2 = fetchgit {
     url = "https://chromium.googlesource.com/angle/angle.git";
     rev = "8718783526307a3fbb35d4c1ad4e8101262a0d73";
-    sha256 = "0c90q8f4syvwcayw58743sa332dcpkmblwh3ffkjqn5ygym04xji";
+    hash = "sha256-UXYCqn++WCyncwNyuuq8rIkxlB7koMK9Ynx7TRzCIDE=";
   };
   dng_sdk = fetchgit {
     url = "https://android.googlesource.com/platform/external/dng_sdk.git";
     rev = "c8d0c9b1d16bfda56f15165d39e0ffa360a11123";
-    sha256 = "1nlq082aij7q197i5646bi4vd2il7fww6sdwhqisv2cs842nyfwm";
+    hash = "sha256-lTtvBUGaia0jhrxpw7k7NIq2SVyGmBJPCvjIqAQCmNo=";
   };
   piex = fetchgit {
     url = "https://android.googlesource.com/platform/external/piex.git";
     rev = "bb217acdca1cc0c16b704669dd6f91a1b509c406";
-    sha256 = "05ipmag6k55jmidbyvg5mkqm69zfw03gfkqhi9jnjlmlbg31y412";
+    hash = "sha256-IhAfxlu0UmllihBP9wbg7idT8azlbb9arLKUaZ6qNxY=";
   };
   sfntly = fetchgit {
     url = "https://chromium.googlesource.com/external/github.com/googlei18n/sfntly.git";
     rev = "b55ff303ea2f9e26702b514cf6a3196a2e3e2974";
-    sha256 = "1qi5rfzmwfrji46x95g6dsb03i1v26700kifl2hpgm3pqhr7afpz";
+    hash = "sha256-/zp1MsR31HehoC5OAI4RO8QBlm7mldQNiTI7Xr/LJeI=";
   };
 }
diff --git a/pkgs/by-name/sk/skia-aseprite/package.nix b/pkgs/by-name/sk/skia-aseprite/package.nix
new file mode 100644
index 000000000000..3b34ad631862
--- /dev/null
+++ b/pkgs/by-name/sk/skia-aseprite/package.nix
@@ -0,0 +1,115 @@
+{
+  aseprite,
+  clangStdenv,
+  expat,
+  fetchFromGitHub,
+  fetchgit,
+  fontconfig,
+  gn,
+  harfbuzzFull,
+  icu,
+  lib,
+  libglvnd,
+  libjpeg,
+  libpng,
+  libwebp,
+  libX11,
+  mesa,
+  ninja,
+  python3,
+  zlib,
+}:
+
+let
+  # deps.nix is generated by ./update.sh
+  depSrcs = import ./deps.nix { inherit fetchgit; };
+in
+clangStdenv.mkDerivation (finalAttrs: {
+  pname = "skia-aseprite";
+  version = "m102-861e4743af";
+
+  src = fetchFromGitHub {
+    owner = "aseprite";
+    repo = "skia";
+    rev = finalAttrs.version;
+    hash = "sha256-IlZbalmHl549uDUfPG8hlzub8TLWhG0EsV6HVAPdsl0=";
+  };
+
+  nativeBuildInputs = [
+    gn
+    ninja
+    python3
+  ];
+
+  preConfigure = with depSrcs; ''
+    mkdir -p third_party/externals
+    ln -s ${angle2} third_party/externals/angle2
+    ln -s ${dng_sdk} third_party/externals/dng_sdk
+    ln -s ${piex} third_party/externals/piex
+    ln -s ${sfntly} third_party/externals/sfntly
+  '';
+
+  configurePhase = ''
+    runHook preConfigure
+    gn gen lib --args="is_debug=false is_official_build=true extra_cflags=[\"-I${harfbuzzFull.dev}/include/harfbuzz\"]"
+    runHook postConfigure
+  '';
+
+  buildInputs = [
+    expat
+    fontconfig
+    harfbuzzFull
+    icu
+    libglvnd
+    libjpeg
+    libpng
+    libwebp
+    libX11
+    mesa
+    zlib
+  ];
+
+  buildPhase = ''
+    runHook preBuild
+    ninja -C lib skia modules
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+
+    # Glob will match all subdirs.
+    shopt -s globstar
+
+    # All these paths are used in some way when building Aseprite.
+    cp -r --parents -t $out/ \
+      include/codec \
+      include/config \
+      include/core \
+      include/effects \
+      include/gpu \
+      include/private \
+      include/utils \
+      include/third_party/skcms/*.h \
+      lib/*.a \
+      modules/skshaper/include/*.h \
+      src/core/*.h \
+      src/gpu/**/*.h \
+      third_party/externals/angle2/include \
+      third_party/skcms/**/*.h
+
+    runHook postInstall
+  '';
+
+  passthru.updateScript = [ ./update.sh ] ++ builtins.attrNames depSrcs;
+
+  meta = {
+    description = "Complete 2D graphic library for drawing Text, Geometries, and Images (Aseprite's fork)";
+    homepage = "https://skia.org/";
+    downloadPage = "https://github.com/aseprite/skia";
+    license = lib.licenses.bsd3;
+    inherit (aseprite.meta) maintainers;
+    platforms = lib.platforms.all;
+  };
+})
diff --git a/pkgs/by-name/sk/skia-aseprite/update.sh b/pkgs/by-name/sk/skia-aseprite/update.sh
new file mode 100755
index 000000000000..78f7e67da6e9
--- /dev/null
+++ b/pkgs/by-name/sk/skia-aseprite/update.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env nix-shell
+#!nix-shell --pure -i bash
+#!nix-shell -p cacert curl git jq nix-prefetch-git
+# shellcheck shell=bash
+# vim: set tabstop=2 shiftwidth=2 expandtab:
+set -euo pipefail
+shopt -s inherit_errexit
+
+[ $# -gt 0 ] || {
+  printf >&2 'usage: %s <deps>' "$0"
+  exit 1
+}
+
+pkgpath=$(git rev-parse --show-toplevel)/pkgs/by-name/sk/skia-aseprite
+depfilter=$(tr ' ' '|' <<< "$*")
+depfile=$pkgpath/deps.nix
+pkgfile=$pkgpath/package.nix
+
+update_deps() {
+  local deps third_party_deps name url rev hash prefetch
+
+  version=$(sed -n 's|.*version = "\(.*\)".*|\1|p' < "$pkgfile")
+  deps=$(curl -fsS https://raw.githubusercontent.com/aseprite/skia/$version/DEPS)
+  third_party_deps=$(sed -n 's|[ ",]||g; s|:| |; s|@| |; s|^third_party/externals/||p' <<< "$deps")
+  filtered=$(grep -E -- "$depfilter" <<< "$third_party_deps")
+  if [[ -z $filtered ]]; then
+    printf >&2 '%s: error: filter "%s" matched nothing' "$0" "$depfilter"
+    return 1
+  fi
+
+  printf '{ fetchgit }:\n{\n'
+  while read -r name url rev; do
+    printf >&2 'Fetching %s@%s\n' "$name" "$rev"
+    prefetch=$(nix-prefetch-git --quiet --rev "$rev" "$url")
+    hash=$(jq -r '.hash' <<< "$prefetch")
+
+    cat << EOF
+  $name = fetchgit {
+    url = "$url";
+    rev = "$rev";
+    hash = "$hash";
+  };
+EOF
+  # `read` could exit with a non-zero code without a newline at the end
+  done < <(printf '%s\n' "$filtered")
+  printf '}\n'
+}
+
+update_version() {
+  local newver newrev
+  newver=$(
+    curl --fail \
+      --header 'Accept: application/vnd.github+json' \
+      --location --show-error --silent \
+      ${GITHUB_TOKEN:+ --user \":$GITHUB_TOKEN\"} \
+      https://api.github.com/repos/aseprite/skia/releases/latest \
+      | jq -r .tag_name
+  )
+  newhash=$(nix-prefetch-git --quiet --rev "$newver" https://github.com/aseprite/skia.git | jq -r '.hash')
+  sed \
+    -e 's|version = ".*"|version = "'$newver'"|' \
+    -e 's|hash = ".*"|hash = "'$newhash'"|' \
+    -- "$pkgfile"
+}
+
+temp=$(mktemp)
+trap 'ret=$?; rm -rf -- "$temp"; exit $ret' EXIT
+update_version > "$temp"
+cp "$temp" "$pkgfile"
+update_deps > "$temp"
+cp "$temp" "$depfile"