diff --git a/deprecate.sh b/deprecate.sh
index a23ca9f..07c8251 100755
--- a/deprecate.sh
+++ b/deprecate.sh
@@ -15,3 +15,6 @@ for PROJECT in $PROJECTS; do
     echo "Deprecating ${PROJECT}..."
     cargo yank --version "${VERSION}" "${PROJECT}"
 done
+
+# npm deprecate
+npm deprecate "float-pigment-css@${VERSION}" --registry https://registry.npmjs.org -m "sync with cargo yank"
diff --git a/publish.sh b/publish.sh
index ba19d4f..a534ad4 100755
--- a/publish.sh
+++ b/publish.sh
@@ -52,6 +52,14 @@ else
     exit -1
 fi
 
+# run wasm-pack
+if wasm-pack build float-pigment-css --target nodejs --features nodejs-package; then
+    echo 'WebAssembly built for float-pigment-css.'
+else
+    echo 'Failed to build WebAssembly package for float-pigment-css! Abort.'
+    exit -1
+fi
+
 # git operations
 if [ -z "$(git status --porcelain)" ]; then
     echo 'Git status OK.'
@@ -113,3 +121,9 @@ for PROJECT in $PROJECTS; do
     echo "Publishing ${PROJECT}..."
     cargo publish -p "${PROJECT}"
 done
+
+# npm publish
+cd float-pigment-css/pkg
+echo "Publishing NPM package for float-pigment-css..."
+npm publish --registry https://registry.npmjs.org
+cd ../..