diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89d71f2..7689eb1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,7 +41,7 @@ jobs:
 
       - name: Package app bundle
         if: startsWith(github.ref, 'refs/tags/v')
-        run: APP_BINARY=.build/universal/PDFReader APP_VERSION="${GITHUB_REF_NAME}" APP_BUILD="${GITHUB_RUN_NUMBER}" ./scripts/make-app.sh release
+        run: ./scripts/make-app.sh release release APP_BINARY=.build/universal/PDFReader APP_VERSION="${GITHUB_REF_NAME}" APP_BUILD="${GITHUB_RUN_NUMBER}"
 
       - name: Build DMG
         if: startsWith(github.ref, 'refs/tags/v')
diff --git a/scripts/make-app.sh b/scripts/make-app.sh
index 2a46ec0..4afd6c5 100755
--- a/scripts/make-app.sh
+++ b/scripts/make-app.sh
@@ -35,8 +35,16 @@ else
 fi
 
 rm -rf "$APP_DIR"
-mkdir -p "$APP_DIR/Contents/MacOS" "$APP_DIR/Contents/Resources"
+mkdir -p "$APP_DIR/Contents/MacOS" "$APP_DIR/Contents/Frameworks" "$APP_DIR/Contents/Resources"
 cp "$BIN" "$APP_DIR/Contents/MacOS/PDFReader"
+# The binary's Sparkle load command uses @rpath, but SwiftPM only emits
+# toolchain rpaths (/usr/lib/swift, …). Without an app-bundle rpath, dyld
+# can never resolve @rpath/Sparkle.framework from Contents/Frameworks and
+# the app aborts at launch (DYLD "Library missing"). Add it if absent.
+EXEC="$APP_DIR/Contents/MacOS/PDFReader"
+if ! otool -l "$EXEC" | grep -q 'path @executable_path/../Frameworks'; then
+    xcrun install_name_tool -add_rpath '@executable_path/../Frameworks' "$EXEC"
+fi
 # Copy Sparkle framework for update checking
 cp -R ".build/$CONFIG/Sparkle.framework" "$APP_DIR/Contents/Frameworks/"
 # App icon (generated by scripts/generate-icon.swift).