diff --git a/environments/build_conda_pkg.yml b/environments/build_conda_pkg.yml
index face05ec635..b4a4405d922 100644
--- a/environments/build_conda_pkg.yml
+++ b/environments/build_conda_pkg.yml
@@ -3,4 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - python=3.13 # no python 3.14 support by conda-build
-  - conda-build=25.9.0
+  - conda-build=25.11.1
diff --git a/environments/upload_cleanup_conda_pkg.yml b/environments/upload_cleanup_conda_pkg.yml
index 4357fa3bc67..b0f96cadc61 100644
--- a/environments/upload_cleanup_conda_pkg.yml
+++ b/environments/upload_cleanup_conda_pkg.yml
@@ -3,4 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - python=3.13
-  - anaconda-client=1.13.0
+  - anaconda-client=1.13.1