diff --git a/implementations/javascript/package.json b/implementations/javascript/package.json
index 89e1e40..4d13a7d 100644
--- a/implementations/javascript/package.json
+++ b/implementations/javascript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "preserves",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "Experimental data serialization format",
   "homepage": "https://gitlab.com/tonyg/preserves",
   "license": "MIT",
diff --git a/implementations/python/setup.py b/implementations/python/setup.py
index 922cbf7..be18104 100644
--- a/implementations/python/setup.py
+++ b/implementations/python/setup.py
@@ -5,7 +5,7 @@ except ImportError:
 
 setup(
     name="preserves",
-    version="0.0.0",
+    version="0.0.1",
     author="Tony Garnock-Jones",
     author_email="tonyg@leastfixedpoint.com",
     license="GNU General Public License v3 or later (GPLv3+)",