diff --git a/.github/workflows/test-energyflow.yml b/.github/workflows/test-energyflow.yml
index 154e7ee..37dd24d 100644
--- a/.github/workflows/test-energyflow.yml
+++ b/.github/workflows/test-energyflow.yml
@@ -24,7 +24,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-13, macos-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
       - name: Checkout repository and submodules
diff --git a/pyproject.toml b/pyproject.toml
index 815cfe1..dcb0acc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ name = "EnergyFlow"
 dynamic = ["version"]
 description = "Python package for the Energy Flow suite of particle physics tools"
 readme = "README.md"
-requires-python = ">= 3.7"
+requires-python = ">= 3.9"
 authors = [
     { name = "Patrick T. Komiske III", email = "pkomiske@mit.edu" },
 ]
@@ -62,8 +62,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",