diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 451d0faf3..7208ecd8a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -144,6 +144,7 @@ jobs:
           - {IMAGE: "sid", TOXENV: "py310"}
           - {IMAGE: "ubuntu-bionic", TOXENV: "py36"}
           - {IMAGE: "ubuntu-focal", TOXENV: "py38"}
+          - {IMAGE: "ubuntu-jammy", TOXENV: "py310"}
           - {IMAGE: "ubuntu-rolling", TOXENV: "py39"}
           - {IMAGE: "fedora", TOXENV: "py310"}
           - {IMAGE: "alpine", TOXENV: "py39"}
diff --git a/docs/installation.rst b/docs/installation.rst
index bc438c8e3..2bafdef61 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -20,7 +20,7 @@ operating systems.
 * x86-64 Fedora (latest)
 * x86-64 macOS 10.15 Catalina
 * ARM64 macOS 12 Monterey
-* x86-64 Ubuntu 18.04, 20.04, rolling
+* x86-64 Ubuntu 18.04, 20.04, 22.04, rolling
 * ARM64 Ubuntu 20.04
 * x86-64 Debian Stretch (9.x), Buster (10.x), Bullseye (11.x), Bookworm (12.x)
   and Sid (unstable)
diff --git a/tests/hazmat/backends/test_openssl_memleak.py b/tests/hazmat/backends/test_openssl_memleak.py
index 835c9256a..2605566bd 100644
--- a/tests/hazmat/backends/test_openssl_memleak.py
+++ b/tests/hazmat/backends/test_openssl_memleak.py
@@ -82,8 +82,11 @@ def main(argv):
     assert result == 1
 
     # Trigger a bunch of initialization stuff.
+    import hashlib
     from cryptography.hazmat.backends.openssl.backend import backend
 
+    hashlib.sha256()
+
     start_heap = set(heap)
 
     try: