diff --git a/environments/SEAMM_packages.json b/environments/SEAMM_packages.json
index a418248..2d69430 100644
--- a/environments/SEAMM_packages.json
+++ b/environments/SEAMM_packages.json
@@ -99,7 +99,7 @@
         "channel": "pypi",
         "description": "A SEAMM plug-in to setup, run and analyze quantum chemistry calculations using Psi4",
         "type": "MolSSI plug-in",
-        "version": "2024.1.11"
+        "version": "2024.2.29"
     },
     "pyxtal-step": {
         "channel": "pypi",
@@ -159,7 +159,7 @@
         "channel": "pypi",
         "description": "Classes to execute background codes for SEAMM",
         "type": "Core package",
-        "version": "2024.2.15"
+        "version": "2024.2.29"
     },
     "seamm-ff-util": {
         "channel": "conda-forge",
diff --git a/environments/seamm.yml b/environments/seamm.yml
index b7090a9..5eb03cd 100644
--- a/environments/seamm.yml
+++ b/environments/seamm.yml
@@ -28,7 +28,7 @@ dependencies:
     # PyPi packages
   - pip:
     # Core packages
-    - seamm-exec==2024.2.15
+    - seamm-exec==2024.2.29
     - seamm-jobserver==2024.1.17
 
     # MolSSI plug-ins
@@ -47,7 +47,7 @@ dependencies:
     - mopac-step==2024.2.10.1
     - packmol-step==2024.1.16
     - properties-step==2023.7.31
-    - psi4-step==2024.1.11
+    - psi4-step==2024.2.29
     - qcarchive-step==2023.3.30
     - quickmin-step==2023.11.15
     - rdkit-step==2023.2.22