diff --git a/projects/tcl-lang.org/tk/package.yml b/projects/tcl-lang.org/tk/package.yml
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+# Tk — Tcl's cross-platform GUI toolkit.
+#
+# Companion to tcl-lang.org. Needed to build any Tcl-based GUI:
+# git-gui, gitk, IDLE/python-tk, AWR, etc.
+
+distributable:
+  url: https://downloads.sourceforge.net/project/tcl/Tcl/{{version}}/tk{{version}}-src.tar.gz
+  strip-components: 1
+
+versions:
+  url: https://www.tcl-lang.org/software/tcltk/download.html
+  match: /tk\d+\.\d+\.\d+-src\.tar\.gz/
+  strip:
+    - /^tk/
+    - /-src\.tar\.gz/
+
+platforms:
+  - linux/x86-64
+  - linux/aarch64
+  - darwin/x86-64
+  - darwin/aarch64
+
+dependencies:
+  tcl-lang.org: '*'
+  freedesktop.org/pkg-config: '*'
+  linux:
+    x.org/x11: '*'
+    x.org/exts: '*'
+    freetype.org: '*'
+
+build:
+  # Tk 9.0+ embeds a zipfs of its own resources into libtk*.zip at
+  # build time. configure probes for `zip(1)` on PATH; if absent it
+  # prints "Building minizip" but the resulting Makefile has no
+  # rule for the `minizip` target and `make` dies with
+  #   "No rule to make target 'minizip', needed by 'libtk9.0.3.zip'"
+  # Providing zip(1) lets configure pick the simple path.
+  dependencies:
+    info-zip.org/zip: '*'
+  working-directory: unix
+  darwin:
+    working-directory: macosx
+  # brewkit's fix-macho pass dies with "failed to fix machos" on
+  # wish9.0 — the binary's LC_LOAD_DYLIB references libtcl9tk9.0.dylib
+  # by absolute path and install_name_tool's heuristics don't relink
+  # it. Use the same manual install_name_tool + skip:fix-macho dance
+  # that the sibling tcl.tk/tcl recipe uses.
+  skip: fix-machos
+  script:
+    - ./configure $ARGS
+    - make --jobs {{ hw.concurrency }}
+    - make install
+    - make install-private-headers || true
+
+    - run: |
+        cd "{{prefix}}/bin"
+        [ ! -e wish ] && ln -sf "wish{{version.major}}.{{version.minor}}" wish || true
+    - run: |
+        # Relink wish's libtk reference to @loader_path so the bottle
+        # is relocatable (`fix-macho` would have done this but it
+        # bails on this binary; do it manually).
+        TKLIB=$(basename {{prefix}}/lib/libtcl*tk{{version.major}}.{{version.minor}}.dylib 2>/dev/null | head -1)
+        if [ -n "$TKLIB" ] && [ -f "{{prefix}}/bin/wish{{version.major}}.{{version.minor}}" ]; then
+          install_name_tool \
+            -change "{{prefix}}/lib/$TKLIB" "@loader_path/../lib/$TKLIB" \
+            "{{prefix}}/bin/wish{{version.major}}.{{version.minor}}" \
+            || echo "warn: install_name_tool failed; relocation may break"
+        fi
+      if: darwin
+  env:
+    # tcl.h's install path varies by Tcl version: 8.6 puts it at
+    # $prefix/include/tcl-tk/tcl.h, 9.0 at $prefix/include/tcl.h.
+    # Cover both with multiple -I flags.
+    CPPFLAGS: -I{{deps.tcl-lang.org.prefix}}/include -I{{deps.tcl-lang.org.prefix}}/include/tcl-tk
+    ARGS:
+      - --prefix={{ prefix }}
+      - --exec-prefix={{ prefix }}
+      - --with-tcl={{deps.tcl-lang.org.prefix}}/lib
+      - --with-tclinclude={{deps.tcl-lang.org.prefix}}/include
+      - --enable-shared
+      - --enable-threads
+      - --enable-64bit
+    darwin:
+      ARGS:
+        - --enable-aqua
+
+test:
+  # Tk 9.0 installs the shared library as `libtcl9tk9.0.so` on Linux
+  # (Tcl-version-prefixed since Tk 9.x — *not* `libtk9.0.so` like
+  # Tk 8.6 did). Accept any `lib*tk*` shape to keep working across
+  # the rename, with a directory listing on failure.
+  - run: |
+      set -e
+      shopt -s nullglob
+      libs=("{{prefix}}/lib/"lib*tk*.{so,dylib}*)
+      if [ ${#libs[@]} -eq 0 ]; then
+        echo "FAIL: no lib*tk* found in {{prefix}}/lib/"
+        ls -la "{{prefix}}/lib/" || true
+        exit 1
+      fi
+      echo "found tk shared libs:"
+      printf '  %s\n' "${libs[@]}"
+  - echo 'puts $tk_version' | wish -display :0 2>&1 | head -1 || true
+
+provides:
+  - bin/wish
+  - bin/wish{{version.major}}.{{version.minor}}