diff --git a/.rultor.yml b/.rultor.yml
index 52e00ea..4ec8447 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -18,8 +18,8 @@ release:
     - pypi.txt
   script: |
     [[ "${tag}" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9_]+)?$ ]] || exit -1
+    sed -i "s/0\.0\.0/${tag}/g" version.txt
     git commit -am "${tag}"
-    echo $tag > version.txt
     pip install twine
     export TWINE_USERNAME=h1alexbel
     export TWINE_PASSWORD=$(cat ../pypi.txt)
diff --git a/version.txt b/version.txt
new file mode 100644
index 0000000..bd52db8
--- /dev/null
+++ b/version.txt
@@ -0,0 +1 @@
+0.0.0
\ No newline at end of file