diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 11b0a68..ec93169 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [macOS-latest, ubuntu-latest, windows-latest]
-        python-version: [3.8, "3.10", "3.11"]
+        python-version: [3.9, "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/missense_kinase_toolkit/data/look_and_say.dat b/missense_kinase_toolkit/data/look_and_say.dat
deleted file mode 100644
index 97df452..0000000
--- a/missense_kinase_toolkit/data/look_and_say.dat
+++ /dev/null
@@ -1,15 +0,0 @@
-1
-11
-21
-1211
-111221
-312211
-13112221
-1113213211
-31131211131221
-13211311123113112211
-11131221133112132113212221
-3113112221232112111312211312113211
-1321132132111213122112311311222113111221131221
-11131221131211131231121113112221121321132132211331222113112211
-311311222113111231131112132112311321322112111312211312111322212311322113212221
\ No newline at end of file
diff --git a/missense_kinase_toolkit/src/hgnc.py b/missense_kinase_toolkit/src/hgnc.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index 7031c1b..511b5b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,15 +18,21 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 # Declare any run-time dependencies that should be installed with the package.
-#dependencies = [
-#    "importlib-resources;python_version<'3.10'",
-#]
+dependencies = [
+    "importlib-resources;python_version<='3.11'",
+    "setuptools",
+    "pydantic>=1.10,<2",
+    "tqdm>=4.64.0",
+    "pandas>=2,<3",
+    "requests-cache>=0.9.7,<1",
+    "requests>=2.28.1,<3",
+]
 
 # Update the urls once the hosting is set up.
-#[project.urls]
-#"Source" = "https://github.com/choderalab/missense_kinase_toolkit/"
+[project.urls]
+"Source" = "https://github.com/choderalab/missense_kinase_toolkit/"
 #"Documentation" = "https://missense_kinase_toolkit.readthedocs.io/"
 
 [project.optional-dependencies]