diff --git a/conda/meta.yaml b/conda/meta.yaml
index 2435bba..33da9fa 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -30,9 +30,6 @@ requirements:
     - {{ dep }}
     {% endfor  %}
 
-  build:
-    - {{ compiler("cxx") }}
-
   run:
     - python
     {% for dep in deps + conda_deps %}
diff --git a/pyproject.toml b/pyproject.toml
index 64e88da..63bfc18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,10 @@ where = ["src"]
 
 # enable dynamic versioning based on git tags
 [tool.setuptools_scm]
-# can be empty if no extra settings are needed, presence enables setuptools-scm
+# Format version to ease alignment with conda/meta.yaml tag-based versioning
+fallback_version = "2.4.2.dev0"
+version_scheme = "guess-next-dev"
+local_scheme = "no-local-version"
 
 [project]
 name = "openalea.core"
@@ -28,11 +31,10 @@ classifiers = [
   "Intended Audience :: Science/Research",
   "Intended Audience :: Developers",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.8",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Scientific/Engineering",
   "Framework :: OpenAlea",
 ]