diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77c9ad0..666b605 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,24 +54,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # https://docs.djangoproject.com/en/4.1/faq/install/#what-python-version-can-i-use-with-django
+        # https://docs.djangoproject.com/en/5.1/faq/install/#what-python-version-can-i-use-with-django
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        django-version: ["3.2", "4.0", "4.1", "4.2", "5.0", "5.1b1"]
+        django-version: ["4.2", "5.0", "5.1b1"]
         db-engine: [sqlite, postgres]
         tz-engine: [pytz, zoneinfo]
         exclude:
-          - django-version: "3.2"
-            python-version: "3.11"
-          - django-version: "3.2"
-            python-version: "3.12"
-          - django-version: "3.2"
-            tz-engine: zoneinfo
-          - django-version: "4.0"
-            python-version: "3.11"
-          - django-version: "4.0"
-            python-version: "3.12"
-          - django-version: "4.1"
-            python-version: "3.12"
           - django-version: "5.0"
             python-version: "3.8"
           - django-version: "5.0"
diff --git a/README.md b/README.md
index 77caef9..8a91722 100644
--- a/README.md
+++ b/README.md
@@ -146,6 +146,8 @@ poetry run pytest
   (Potentially BREAKING: Unknown timezone names now raise `ValidationError` at time of assignment.
   Previously, conversion was delayed until model `full_clean` or `save`.) 
   ([#57](https://github.com/mfogel/django-timezone-field/issues/57))
+- Add support for django 5.1
+- Drop support for django 3.2, 4.0, 4.1
 
 #### 6.1.0 (2023-11-25)
 
diff --git a/pyproject.toml b/pyproject.toml
index 003b59e..1f28390 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,11 +24,9 @@ classifiers = [
     "Development Status :: 4 - Beta",
     "Environment :: Web Environment",
     "Framework :: Django",
-    "Framework :: Django :: 3.2",
-    "Framework :: Django :: 4.0",
-    "Framework :: Django :: 4.1",
     "Framework :: Django :: 4.2",
     "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
     "Intended Audience :: Developers",
     "Operating System :: OS Independent",
     "Topic :: Utilities",