diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e28c553..4275dcd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,8 +22,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, macos-13]
-        python-version: ["3.9", "3.11"]
+        os: [ubuntu-latest, macos-latest, macos-12]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/environment.yml b/environment.yml
index f1d553e..568f392 100644
--- a/environment.yml
+++ b/environment.yml
@@ -5,8 +5,8 @@ channels:
   - conda-forge
 dependencies:
   - python
-  - openff-toolkit >=0.14.*,<0.15
+  - openff-toolkit >=0.14.*
   - pytest
   - pytorch
-  - dgl==1.1.2
+  - dgl ~=2.
   - torchdata