diff --git a/envs/full_packages.txt b/envs/full_packages.txt
index 14a7196..c34a8f6 100644
--- a/envs/full_packages.txt
+++ b/envs/full_packages.txt
@@ -120,6 +120,7 @@ pybigwig
 pytest
 pytest-cov
 pytest-xdist
+python=3.12
 python-ldstore
 python-lsp-server
 qvalue
diff --git a/envs/minimal_packages.txt b/envs/minimal_packages.txt
index cf79078..69d5fd4 100644
--- a/envs/minimal_packages.txt
+++ b/envs/minimal_packages.txt
@@ -53,6 +53,7 @@ pandas
 pillow
 ptpython
 pyarrow
+python=3.12
 python-lsp-server
 scikit-learn
 scipy