diff --git a/CHANGES.md b/CHANGES.md
index 82e43ed2..c53c74f2 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+Version 3.2.2 released XXXX-XX-XX
+
+* Update Erlang CI images
+  https://github.com/mochi/mochiweb/pull/261
+
 Version 3.2.1 released 2023-09-22
 
 * mochinum:digits/1: fix handling of -0.0 for OTP-26.1/27.0
diff --git a/support/test-materials/create-certs.sh b/support/test-materials/create-certs.sh
new file mode 100755
index 00000000..50d86521
--- /dev/null
+++ b/support/test-materials/create-certs.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+cd "$(dirname "${BASH_SOURCE[0]}")"
+# Create a new self-signed cert and key expiring in 10 years
+openssl req \
+    -newkey rsa:4096 \
+    -x509 \
+    -nodes \
+    -days 3650 \
+    -subj '/C=US/CN=localhost' \
+    -keyout ./test_ssl_key.pem \
+    -out ./test_ssl_cert.pem
diff --git a/support/test-materials/test_ssl_cert.pem b/support/test-materials/test_ssl_cert.pem
index f84ccca7..b58a16c2 100644
--- a/support/test-materials/test_ssl_cert.pem
+++ b/support/test-materials/test_ssl_cert.pem
@@ -1,19 +1,30 @@
 -----BEGIN CERTIFICATE-----
-MIIDIDCCAgigAwIBAgIJAJLkNZzERPIUMA0GCSqGSIb3DQEBBQUAMBQxEjAQBgNV
-BAMTCWxvY2FsaG9zdDAeFw0xMDAzMTgxOTM5MThaFw0yMDAzMTUxOTM5MThaMBQx
-EjAQBgNVBAMTCWxvY2FsaG9zdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
-ggEBAJeUCOZxbmtngF4S5lXckjSDLc+8C+XjMBYBPyy5eKdJY20AQ1s9/hhp3ulI
-8pAvl+xVo4wQ+iBSvOzcy248Q+Xi6+zjceF7UNRgoYPgtJjKhdwcHV3mvFFrS/fp
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-V/wgKWqV5Q6jnv1ZMEQGA1UdIwQ9MDuAFJl9s51SnjJtV/wgKWqV5Q6jnv1ZoRik
-FjAUMRIwEAYDVQQDEwlsb2NhbGhvc3SCCQCS5DWcxETyFDAMBgNVHRMEBTADAQH/
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+F7Iu4FUBycIq4t++EtHV1xBOg8eDrv0=
 -----END CERTIFICATE-----
diff --git a/support/test-materials/test_ssl_key.pem b/support/test-materials/test_ssl_key.pem
index 69bbf823..49c05f99 100644
--- a/support/test-materials/test_ssl_key.pem
+++ b/support/test-materials/test_ssl_key.pem
@@ -1,27 +1,52 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAl5QI5nFua2eAXhLmVdySNIMtz7wL5eMwFgE/LLl4p0ljbQBD
-Wz3+GGne6UjykC+X7FWjjBD6IFK87NzLbjxD5eLr7ONx4XtQ1GChg+C0mMqF3Bwd
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-Rn/KC7OUlTpADKflgizWJ0Cgu2F9L9mkn5HyFHvLHa+u7CootbWJOiEejH/UcBtH
-WyMQtX0snYCpdkUpJv5wvMoebGu+AjHOn8tfm9T/2O6rhwgckLyMb6QpGbMo28b1
-p9QiY17BJPZx7qJQJcHKsAvwDwSThlb7MFmWf42LYWlzybpeYQvwpd+UY4I0WXLu
-/dqJIS9Npq+5Y5vbo2kAEAssb2hSCvhCfHmwFdKmBzlvgOn4qxgZ1iHQgfKI6Z3Y
-J0573ZgOVTuacn+lewtdg5AaHFcl/zIYEr9SNqRoPNGbPliuv6k6N2EYcufWL5lR
-sCmmmHECgYEAxm+7OpepGr++K3+O1e1MUhD7vSPkKJrCzNtUxbOi2NWj3FFUSPRU
-adWhuxvUnZgTcgM1+KuQ0fB2VmxXe9IDcrSFS7PKFGtd2kMs/5mBw4UgDZkOQh+q
-kDiBEV3HYYJWRq0w3NQ/9Iy1jxxdENHtGmG9aqamHxNtuO608wGW2S8CgYEAw4yG
-ZyAic0Q/U9V2OHI0MLxLCzuQz17C2wRT1+hBywNZuil5YeTuIt2I46jro6mJmWI2
-fH4S/geSZzg2RNOIZ28+aK79ab2jWBmMnvFCvaru+odAuser4N9pfAlHZvY0pT+S
-1zYX3f44ygiio+oosabLC5nWI0zB2gG8pwaJlaUCgYEAgr7poRB+ZlaCCY0RYtjo
-mYYBKD02vp5BzdKSB3V1zeLuBWM84pjB6b3Nw0fyDig+X7fH3uHEGN+USRs3hSj6
-BqD01s1OT6fyfbYXNw5A1r+nP+5h26Wbr0zblcKxdQj4qbbBZC8hOJNhqTqqA0Qe
-MmzF7jiBaiZV/Cyj4x1f9BcCgYEAhjL6SeuTuOctTqs/5pz5lDikh6DpUGcH8qaV
-o6aRAHHcMhYkZzpk8yh1uUdD7516APmVyvn6rrsjjhLVq4ZAJjwB6HWvE9JBN0TR
-bILF+sREHUqU8Zn2Ku0nxyfXCKIOnxlx/J/y4TaGYqBqfXNFWiXNUrjQbIlQv/xR
-K48g/MECgYBZdQlYbMSDmfPCC5cxkdjrkmAl0EgV051PWAi4wR+hLxIMRjHBvAk7
-IweobkFvT4TICulgroLkYcSa5eOZGxB/DHqcQCbWj3reFV0VpzmTDoFKG54sqBRl
-vVntGt0pfA40fF17VoS7riAdHF53ippTtsovHEsg5tq5NrBl5uKm2g==
------END RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDMpjFOvzT4Y2Ko
+BzVFdGALtLl69LTlyCrBOae4uJ4NaE0s8hJbgWHrtp6GgEIFDT4tlTvkbmHRV80o
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+sQ7D9iHtfpktSwQcSfQ5hms9hJzL4A==
+-----END PRIVATE KEY-----