diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
index be91278..105356c 100644
--- a/.github/workflows/python-package-conda.yml
+++ b/.github/workflows/python-package-conda.yml
@@ -11,11 +11,10 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-    - uses: actions/checkout@v2
-    - uses: conda-incubator/setup-miniconda@v2
+    - uses: actions/checkout@v4
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        miniconda-version: "latest"
-        mamba-version: "*"
+        miniforge-version: latest
         channel-priority: true
         environment-file: environment.yml
         auto-activate-base: false
diff --git a/echo/VERSION b/echo/VERSION
index 9459d4b..5625e59 100644
--- a/echo/VERSION
+++ b/echo/VERSION
@@ -1 +1 @@
-1.1
+1.2
diff --git a/environment.yml b/environment.yml
index d95c43c..2071995 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,12 +3,12 @@ channels:
  - conda-forge
  - pytorch
 dependencies:
-  - python=3.10
+  - python=3.12
   - sphinx
   - pytest
   - setuptools
-  - optuna
-  - numpy<1.23.0
+  - optuna<4.0
+  - numpy
   - scipy
   - matplotlib
   - scikit-learn
diff --git a/requirements.txt b/requirements.txt
index 46f508c..0781894 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,9 @@ numpy
 scipy
 matplotlib
 pandas
-optuna
+optuna<4.0
 setuptools
 pyyaml
 scikit-learn
 xgboost
-pyarrow
\ No newline at end of file
+pyarrow
diff --git a/setup.cfg b/setup.cfg
index 69c2202..3b80aa6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,7 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
 url = https://github.com/NCAR/echo-opt
 
@@ -26,12 +27,12 @@ packages =
     echo.src
 include_package_data = True
 setup_requires = setuptools
-python_requires = >=3.7
+python_requires = >3.7
 install_requires =
-    numpy<2
+    numpy
     scipy
     matplotlib
-    optuna
+    optuna<4.0
     setuptools
     pandas
     scikit-learn