diff --git a/library/README.md b/library/README.md
index 584aa09baf..2243f8c2fd 100644
--- a/library/README.md
+++ b/library/README.md
@@ -52,7 +52,7 @@ await penpot.exportStream(context, writable);
 Build the library:
 
 ```bash
-yarn run build
+./scripts/build
 ```
 
 Login on npm:
diff --git a/library/scripts/build b/library/scripts/build
new file mode 100755
index 0000000000..3e5e68ed5a
--- /dev/null
+++ b/library/scripts/build
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# NOTE: this script should be called from the parent directory to
+# properly work.
+
+export CURRENT_VERSION=$(node -p "require('./package.json').version");
+export NODE_ENV=production;
+
+set -ex
+
+yarn run build
+
+sed -i -re "s/\%version\%/$CURRENT_VERSION/g" target/library/penpot.js
diff --git a/library/src/lib/export.cljs b/library/src/lib/export.cljs
index 55a11ae33a..1b81e3aa9f 100644
--- a/library/src/lib/export.cljs
+++ b/library/src/lib/export.cljs
@@ -190,8 +190,7 @@
                             :features (:features file)})))
         params {:type "penpot/export-files"
                 :version 1
-                ;; FIXME: set proper placeholder for replacement on build
-                :generated-by "penpot-lib/develop"
+                :generated-by "penpot-library/%version%"
                 :files files
                 :relations []}]
     ["manifest.json" (delay (json/encode params))]))