diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5df57a09..0d36f88d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,15 +9,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
@@ -34,12 +34,12 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.12'
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 8a86cd2f..a3d55325 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -6,12 +6,12 @@ jobs:
   spellcheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.9
-    - uses: actions/cache@v2
+        python-version: "3.12"
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
diff --git a/.github/workflows/test-coverage.yml b/.github/workflows/test-coverage.yml
index 0681f666..a710e412 100644
--- a/.github/workflows/test-coverage.yml
+++ b/.github/workflows/test-coverage.yml
@@ -12,12 +12,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.9
-    - uses: actions/cache@v2
+        python-version: "3.11"
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 18322626..91e2e829 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,16 +10,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         numpy: [0, 1]
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
@@ -29,8 +29,7 @@ jobs:
     - name: Install dependencies
       run: |
         pip install -e '.[test,mypy,flake8]'
-    - name: Optionally install tui dependencies (not 3.7)
-      if: matrix.python-version != '3.7'
+    - name: Optionally install tui dependencies
       run: pip install -e '.[tui]'
     - name: Optionally install numpy
       if: matrix.numpy == 1
@@ -50,12 +49,10 @@ jobs:
         pytest -v
     - name: run mypy
       run: mypy sqlite_utils tests
-    - name: run flake8 if Python 3.8 or higher
-      if: matrix.python-version >= 3.8
+    - name: run flake8
       run: flake8
     - name: Check formatting
       run: black . --check
     - name: Check if cog needs to be run
-      if: matrix.python-version != '3.7'
       run: |
         cog --check README.md docs/*.rst
diff --git a/setup.py b/setup.py
index 9a3f4ff3..5e512ae5 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@ def get_long_description():
         "Issues": "https://github.com/simonw/sqlite-utils/issues",
         "CI": "https://github.com/simonw/sqlite-utils/actions",
     },
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
@@ -72,7 +72,6 @@ def get_long_description():
         "Intended Audience :: End Users/Desktop",
         "Topic :: Database",
         "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
diff --git a/sqlite_utils/db.py b/sqlite_utils/db.py
index 5323c51b..6332dc26 100644
--- a/sqlite_utils/db.py
+++ b/sqlite_utils/db.py
@@ -457,8 +457,7 @@ def register(fn):
                         fn_name, arity, fn, **dict(kwargs, deterministic=True)
                     )
                     registered = True
-                except (sqlite3.NotSupportedError, TypeError):
-                    # TypeError is Python 3.7 "function takes at most 3 arguments"
+                except sqlite3.NotSupportedError:
                     pass
             if not registered:
                 self.conn.create_function(fn_name, arity, fn, **kwargs)