diff --git a/devtools/conda-envs/test_env.yaml b/devtools/conda-envs/test_env.yaml
index ef0dfd0..675cdc6 100644
--- a/devtools/conda-envs/test_env.yaml
+++ b/devtools/conda-envs/test_env.yaml
@@ -9,7 +9,10 @@ dependencies:
   - pip
 
   # SEAMM
+  - numpy
+  - pandas
   - seamm
+  - tabulate
 
   # Testing
   - black
@@ -26,4 +29,3 @@ dependencies:
   - pip:
     # Documentation
     - sphinx-copybutton
-    - sphinx-rtd-theme
diff --git a/requirements.txt b/requirements.txt
index c774906..1b9c1cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+numpy
+pandas
 seamm
-seamm-util
-seamm-widgets
+tabulate