diff --git a/.forgejo/workflows/release.yml b/.forgejo/workflows/release.yml
index 6f357ba..d280912 100644
--- a/.forgejo/workflows/release.yml
+++ b/.forgejo/workflows/release.yml
@@ -74,24 +74,26 @@ jobs:
         # via `convert`, librsvg2-bin pour le SVG).
         run: |
           apt-get update
-          # crossbuild-essential-arm64 is the official Debian
-          # meta-package for arm64 cross-compilation. It pulls
-          # in gcc-aarch64-linux-gnu, binutils-aarch64-linux-gnu,
-          # libc6-dev:arm64, linux-libc-dev:arm64, and sets up
-          # dpkg-cross (CONFIG_SITE under /etc/dpkg-cross/).
-          # For our package, the key bits are:
-          # - binutils-aarch64-linux-gnu (provides
-          #   aarch64-linux-gnu-objdump needed by dh_makeshlibs)
-          # - libc6-dev:arm64 and friends (so dpkg-shlibdeps can
-          #   resolve the arm64 binaries' NEEDED entries against
-          #   the cross-arch shlibs cache installed on the host).
-          # The arm64 gcc isn't strictly needed (we have no C
-          # code to compile — only dotnet publish), but it doesn't
-          # hurt and keeps the environment consistent for any
-          # future C-coded debhelper rules.
+          # Cross-build deps for arm64:
+          # 1. dpkg --add-architecture arm64 + apt-get update — make
+          #    apt aware of arm64 packages.
+          # 2. Install the arm64 RUNTIME libs (libc6:arm64, etc.)
+          #    so dpkg-shlibdeps can resolve the .so dependencies
+          #    of the arm64 binaries via the on-host shlibs cache.
+          #    The runtime libs (not -dev:arm64) is what carries
+          #    the SONAME metadata that dpkg-shlibdeps matches.
+          # 3. crossbuild-essential-arm64 pulls gcc/binutils for
+          #    arm64, plus dpkg-cross CONFIG_SITE files under
+          #    /etc/dpkg-cross/. The cross-gcc is unused for our
+          #    dotnet-only build but harmless.
+          dpkg --add-architecture arm64
+          apt-get update
           apt-get install -y --no-install-recommends \
               build-essential debhelper imagemagick librsvg2-bin \
-              ca-certificates crossbuild-essential-arm64
+              ca-certificates crossbuild-essential-arm64 \
+              libc6:arm64 libstdc++6:arm64 \
+              libfontconfig1:arm64 libfreetype6:arm64 \
+              libgtk-3-0:arm64
           rm -rf /var/lib/apt/lists/*
           : > "$STATE_FILE"