diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0619852..85f6f09 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
+        python-version: [3.8, 3.9, '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/README.md b/README.md
index 45f38dd..4042035 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ We welcome feedback on Harmony-Py via [GitHub Issues](https://github.com/nasa/ha
 
 ## Prerequisites
 
-* Python 3.7+
+* Python 3.8+
 
 
 ## Installing
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 52a9777..9976455 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -13,5 +13,5 @@ pytest-mock ~= 3.5
 pytest-watch ~= 4.2
 responses ~= 0.12
 setuptools >= 54.2
-sphinx ~= 5.3.0
+sphinx ~= 7.2.6
 wheel >= 0.36