diff --git a/docs/conf.py b/docs/conf.py
index 924a16e..6d9f310 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -24,7 +24,7 @@
 project = "superblockify"
 copyright = "2023-2024, Carlson Büth"
 author = "Carlson Büth"
-release = "1.0.0rc3"
+release = "1.0.0rc4"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/environment.yml b/environment.yml
index 2c90f8b..e12dd04 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
   - conda
   - defaults
 dependencies:
-# Dependencies
+  # Dependencies
   - osmnx
   - geopandas
   - rasterio
@@ -16,6 +16,8 @@ dependencies:
   - ruamel.yaml
   - pyarrow
   - seaborn
+  - psutil
+  - typing-extensions
   - rasterstats  # only used in one reference notebook
   - momepy  # only used in one reference notebook
   # Code Quality
diff --git a/pyproject.toml b/pyproject.toml
index 9184edd..3fc0ef1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,6 +39,8 @@ dependencies = [
     "ruamel.yaml",
     "pyarrow",
     "seaborn",
+    "psutil",
+    "typing-extensions",
 ]
 
 [project.urls]
diff --git a/superblockify/_version.py b/superblockify/_version.py
index af60401..284c60e 100644
--- a/superblockify/_version.py
+++ b/superblockify/_version.py
@@ -1,3 +1,3 @@
 """superblockify package version."""
 
-__version__ = "1.0.0rc3"
+__version__ = "1.0.0rc4"