diff --git a/apt.txt b/apt.txt
index e5c5e15..fea1498 100644
--- a/apt.txt
+++ b/apt.txt
@@ -66,3 +66,5 @@ xfce4-settings
 xorg
 xubuntu-icon-theme
 tigervnc-standalone-server
+libssl-dev
+
diff --git a/environment.yml b/environment.yml
index d6a7f12..cf1b18c 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,28 +7,30 @@ channels:
 dependencies:
   # Items required for basic level functionality
   - gh-scoped-creds==4.1
-  - git==2.49.0
-  - jupyter-resource-usage=1.1.0
+  - git==2.51.0
+  - ipython==9.7.0
+  - jupyter-resource-usage=1.2.0
   - jupyterhub==5.3.0
-  - jupyterlab==4.4.3
+  - jupyterlab==4.5
   - jupyter-archive==3.4.0
   - jupyter_server==2.16.0
   - jupyterlab-git==0.51.2
+  - jupyterlab_rise==0.43.1
   - jupytext==1.16.6
   - nbgitpuller==1.2.2
-  - notebook==7.4.3
-  - python==3.12.*
+  - notebook==7.5.0
+  - python==3.11.*
   - pip==25.1.1
 
   # vscode
-  - code-server==4.101.1
-  - jupyter-vscode-proxy==0.6
+  - code-server==4.106.2
+  - jupyter-vscode-proxy==0.7
   - jupyter-server-proxy==4.4.0
 
   # data science
-  - datascience==0.17.6
+  - datascience==0.18.1
   - matplotlib==3.10.3
-  - numpy==2.3.0
+  - numpy==2.3.5
   - geopandas==1.1.0
   - openpyxl==3.1.5
   - pandas==2.3.0
@@ -37,13 +39,16 @@ dependencies:
   - scipy==1.15.2
   - seaborn==0.13.2
   - statsmodels==0.14.4
+  - sympy==1.14.0
 
   # pip installed packages, conda is preferred
   - pip:
-    # https://github.com/jupyter-java
-    # - jbang==0.7.0
+    - jupyterlab-a11y-checker==0.2.5
     - jupyter-remote-desktop-proxy==3.0.1
-    # r2d installs jupyter-shiny-proxy, but in the base python env, not in the updated one
+    # useful for debugging python package issues
+    - pip-tree==4.0.0
+    - pipdeptree==2.28.0
+
     - jupysql==0.10.15
-    - nbconvert[webpdf]==7.16.4
+    - nbconvert[webpdf]==7.16.6
     - otter-grader==6.1.3