diff --git a/.gitignore b/.gitignore
index e317db5..034cb98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
+.venv
+.tox
 dist
 certbot_nginx_unit.egg-info
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 556ca9f..b13d370 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,11 +19,17 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Intended Audience :: System Administrators",
     "Topic :: Security :: Cryptography",
+    "Topic :: Internet :: WWW/HTTP",
+    "Topic :: Security",
+    "Topic :: System :: Installation/Setup",
+    "Topic :: System :: Networking",
+    "Topic :: System :: Systems Administration",
+    "Topic :: Utilities",
     "Development Status :: 5 - Production/Stable",
     "Environment :: Plugins",
     "Operating System :: OS Independent",
 ]
-dynamic = ["optional-dependencies", "version"]
+dynamic = ["dependencies", "version"]
 
 [project.urls]
 Homepage = "https://github.com/kea/certbot-nginx-unit"
diff --git a/setup.py b/setup.py
index f0ca008..df66fe6 100644
--- a/setup.py
+++ b/setup.py
@@ -7,9 +7,11 @@
     "pytest",
 ]
 
+certbot_version = '2.12.0.dev0'
+
 install_requires = []
 if not os.environ.get("SNAP_BUILD"):
-    install_requires.extend(["acme>=1.21", "certbot>=1.21"])
+    install_requires.extend([f'acme>={certbot_version}', f'certbot>={certbot_version}'])
 else:
     install_requires.append("packaging")
 
diff --git a/snapcraft.yaml b/snapcraft.yaml
index 25ca338..df6b505 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -6,24 +6,24 @@ description: |
   See https://github.com/kea/certbot-nginx-unit for installation and usage instructions.
 confinement: strict
 grade: stable
-base: core20
+base: core24
 adopt-info: certbot-nginx-unit
 license: MIT
 website: https://github.com/kea/certbot-nginx-unit
 issues: https://github.com/kea/certbot-nginx-unit/issues
 
-architectures:
-  - build-on: amd64
-  - build-on: armhf
-  - build-on: arm64
+platforms:
+  amd64:
+  armhf:
+  arm64:
 
 parts:
   certbot-nginx-unit:
     plugin: python
     source: .
     override-build: |
-      snapcraftctl build
-      snapcraftctl set-version `grep " version =" $SNAPCRAFT_PART_BUILD/version.py | cut -f3 -d= | tr -d "'[:space:]"`
+      craftctl build
+      craftctl set version=$(grep " version =" $CRAFT_PART_BUILD/version.py | cut -f3 -d= | tr -d "'[:space:]")
     build-packages:
       - git
     build-environment:
@@ -33,15 +33,15 @@ parts:
     source: .
     stage: [ setup.py, certbot-shared ]
     override-pull: |
-      snapcraftctl pull
-      mkdir -p $SNAPCRAFT_PART_SRC/certbot-shared
+      craftctl default
+      mkdir -p $CRAFT_PART_SRC/certbot-shared
 
 slots:
   certbot:
     interface: content
     content: certbot-1
     read:
-      - $SNAP/lib/python3.8/site-packages
+      - $SNAP/lib/python3.12/site-packages
 
 plugs:
   certbot-metadata: