diff --git a/.github/workflows/emscripten.yaml b/.github/workflows/emscripten.yaml
index ebcf4583..75ffa3d0 100644
--- a/.github/workflows/emscripten.yaml
+++ b/.github/workflows/emscripten.yaml
@@ -29,7 +29,7 @@ jobs:
         python-version: "3.11"
 
     - name: Install pyodide-build
-      run: pip install pyodide-build==0.23.1
+      run: pip install pyodide-build==0.23.1 "pydantic<2"
 
     - name: Compute emsdk version
       id: compute-emsdk-version
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 38352639..c74c4f82 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,7 +34,7 @@ repos:
   - id: setup-cfg-fmt
     args: [--include-version-classifiers, --max-py-version=3.11]
 
-- repo: https://github.com/charliermarsh/ruff-pre-commit
+- repo: https://github.com/astral-sh/ruff-pre-commit
   rev: "v0.0.272"
   hooks:
     - id: ruff