diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 626d9f6e9..151a2a6e0 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -44,10 +44,10 @@ jobs:
           install-only: true
 
       - name: Install Pebble
-        run: go install github.com/letsencrypt/pebble/v2/cmd/pebble@v2.8.0
+        run: go install github.com/letsencrypt/pebble/v2/cmd/pebble@v2.9.0
 
       - name: Install challtestsrv
-        run: go install github.com/letsencrypt/pebble/v2/cmd/pebble-challtestsrv@v2.8.0
+        run: go install github.com/letsencrypt/pebble/v2/cmd/pebble-challtestsrv@v2.9.0
 
       - name: Set up a Memcached server
         uses: niden/actions-memcached@v7
diff --git a/e2e/fixtures/certs/localhost/cert.pem b/e2e/fixtures/certs/localhost/cert.pem
index 2866a2b48..d81d29e70 100644
--- a/e2e/fixtures/certs/localhost/cert.pem
+++ b/e2e/fixtures/certs/localhost/cert.pem
@@ -1,19 +1,20 @@
 -----BEGIN CERTIFICATE-----
-MIIDGzCCAgOgAwIBAgIIbEfayDFsBtwwDQYJKoZIhvcNAQELBQAwIDEeMBwGA1UE
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+9Try8Q==
 -----END CERTIFICATE-----
diff --git a/e2e/fixtures/certs/pebble.minica.pem b/e2e/fixtures/certs/pebble.minica.pem
index a69a4c419..5578b5b55 100644
--- a/e2e/fixtures/certs/pebble.minica.pem
+++ b/e2e/fixtures/certs/pebble.minica.pem
@@ -1,19 +1,20 @@
 -----BEGIN CERTIFICATE-----
-MIIDCTCCAfGgAwIBAgIIJOLbes8sTr4wDQYJKoZIhvcNAQELBQAwIDEeMBwGA1UE
-AxMVbWluaWNhIHJvb3QgY2EgMjRlMmRiMCAXDTE3MTIwNjE5NDIxMFoYDzIxMTcx
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-p9BI7gVKtWSZYegicA==
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+v1lhy71EhBuXXwRQJry0lTdF+w==
 -----END CERTIFICATE-----
diff --git a/e2e/readme.md b/e2e/readme.md
index 7a2367c9b..171170507 100644
--- a/e2e/readme.md
+++ b/e2e/readme.md
@@ -2,8 +2,8 @@
 
 - Install [Pebble](https://github.com/letsencrypt/pebble):
 ```bash
-go install github.com/letsencrypt/pebble/v2/cmd/pebble@main
-go install github.com/letsencrypt/pebble/v2/cmd/pebble-challtestsrv@main
+go install github.com/letsencrypt/pebble/v2/cmd/pebble@v2.9.0
+go install github.com/letsencrypt/pebble/v2/cmd/pebble-challtestsrv@v2.9.0
 ```
 
 - Launch tests: