diff --git a/pixi.toml b/pixi.toml
index faeb152ea..8b72abb3b 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -12,8 +12,8 @@ platforms = ["osx-arm64", "osx-64", "linux-64"]
 ############################################
 [feature.feature_rattler_build]
 [feature.feature_rattler_build.dependencies]
-rattler-build = ">= 0.18.2"
-python = "3.11.*"
+rattler-build = ">=0.18.2"
+python = "3.12.*"
 typer = "*"
 curl = "*"
 
@@ -126,7 +126,7 @@ cmd = [
 ############################################
 [feature.feature_documentation]
 [feature.feature_documentation.dependencies]
-python = "3.11.*"
+python = "3.12.*"
 mkdocs = ">=1.6.0"
 mkdocs-material = ">=9.5.2"
 pip = "*"
diff --git a/recipes/recipes/cross-python_emscripten-wasm32/activate-cross-python.sh b/recipes/recipes/cross-python_emscripten-wasm32/activate-cross-python.sh
index ed791a6b9..43d8419f4 100644
--- a/recipes/recipes/cross-python_emscripten-wasm32/activate-cross-python.sh
+++ b/recipes/recipes/cross-python_emscripten-wasm32/activate-cross-python.sh
@@ -1,8 +1,16 @@
 #!/bin/bash
+
+set -ex
+
 OLD_PYTHON=$PYTHON
+echo ">>> OLD_PYTHON=$OLD_PYTHON"
+echo ">>> Python version:"
+$OLD_PYTHON --version
+
 unset PYTHON
 MYPYTHON=$BUILD_PREFIX/bin/python
 PY_VER_MAJOR_MINOR=$($MYPYTHON -c 'import sys; print(str(sys.version_info[0])+"."+str(sys.version_info[1]))')
+echo ">>> MYPYTHON=$MYPYTHON"
 
 export EMSDK_PYTHON=$BUILD_PREFIX/bin/python3
 
@@ -12,8 +20,6 @@ cp $BUILD_PREFIX/bin/python3 $PREFIX/bin
 
 
 
-
-
 # this will activate emscripten in case it has not yet been activated
 source $CONDA_PREFIX/etc/conda/activate.d/emscripten_emscripten-wasm32_activate.sh
 
diff --git a/recipes/recipes/cross-python_emscripten-wasm32/recipe.yaml b/recipes/recipes/cross-python_emscripten-wasm32/recipe.yaml
index 1a1b797fb..259cf4672 100644
--- a/recipes/recipes/cross-python_emscripten-wasm32/recipe.yaml
+++ b/recipes/recipes/cross-python_emscripten-wasm32/recipe.yaml
@@ -1,13 +1,13 @@
 context:
   name: cross-python_emscripten-wasm32
-  version: "3.11.3"
+  version: "3.12.0"
 
 package:
   name: ${{ name|lower }}
   version: ${{ version }}
 
 build:
-  number: 10
+  number: 0
 
 requirements:
 
diff --git a/recipes/recipes/cross-python_emscripten-wasm32/recipe_legacy.yaml b/recipes/recipes/cross-python_emscripten-wasm32/recipe_legacy.yaml
deleted file mode 100644
index 850dcdd4c..000000000
--- a/recipes/recipes/cross-python_emscripten-wasm32/recipe_legacy.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-context:
-  name: cross-python_emscripten-wasm32
-  version: "3.11.3"
-
-package:
-  name: '{{ name|lower }}'
-  version: '{{ version }}'
-
-# source:
-#   - path: _sysconfigdata__emscripten_.py
-
-build:
-  number: 10
-
-requirements:
-
-  run:
-    - coreutils
-    - crossenv >=1.2
-    - emscripten_emscripten-wasm32
-    - rsync
-    - sed
-    - python 3.11
-    - setuptools #<60.0
-    - pip
-    
-about:
-  home: cross-python
-
-extra:
-  recipe-maintainers:
-    - DerThorsten
diff --git a/recipes/recipes_emscripten/rice/recipe.yaml b/recipes/recipes_emscripten/rice/recipe.yaml
index 8ecaf4a20..66395d954 100644
--- a/recipes/recipes_emscripten/rice/recipe.yaml
+++ b/recipes/recipes_emscripten/rice/recipe.yaml
@@ -11,7 +11,7 @@ source:
   sha256: fb34402bf0f79a900fa02bd7396a35d661165f0975a93aee902e89e59adf045c
 
 build:
-  number: 0
+  number: 1
 
 requirements:
   build: