diff --git a/package.json b/package.json
index 2faadc2..526e0bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "purescript-cbor-stream",
-  "version": "v1.4.0",
+  "version": "v1.0.0",
   "type": "module",
   "dependencies": {
     "cbor-x": "^1.5.9",
diff --git a/spago.yaml b/spago.yaml
index f7c705a..70ac6f4 100644
--- a/spago.yaml
+++ b/spago.yaml
@@ -1,7 +1,7 @@
 package:
   name: cbor-stream
   publish:
-    version: '1.4.0'
+    version: '1.0.0'
     license: 'GPL-3.0-or-later'
     location:
       githubOwner: 'cakekindel'