diff --git a/.circleci/config.yml b/.circleci/config.yml
index b1e64b3c1..84c975567 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ defaults: &defaults
   environment:
     - EMSDK_NUM_CORES: 4
       EMCC_CORES: 4
-      PYODIDE_BASE_URL: https://cdn.jsdelivr.net/pyodide/v0.17.0a2/full/
+      PYODIDE_BASE_URL: https://cdn.jsdelivr.net/pyodide/dev/full/
 
 jobs:
   lint:
diff --git a/src/pyodide-py/pyodide/__init__.py b/src/pyodide-py/pyodide/__init__.py
index a2d797391..9778750e9 100644
--- a/src/pyodide-py/pyodide/__init__.py
+++ b/src/pyodide-py/pyodide/__init__.py
@@ -15,7 +15,7 @@ if platform.system() == "Emscripten":
     asyncio.set_event_loop_policy(WebLoopPolicy())
 
 
-__version__ = "0.17.0a2"
+__version__ = "0.17.0dev0"
 
 __all__ = [
     "open_url",