diff --git a/dom0/sd-default-config.yml b/dom0/sd-default-config.yml
index 779fbb196..5f7069b33 100644
--- a/dom0/sd-default-config.yml
+++ b/dom0/sd-default-config.yml
@@ -8,4 +8,4 @@ prod:
 dev:
   dom0_yum_repo_url: "https://yum-test.securedrop.org/workstation/dom0/f25"
   apt_repo_url: "https://apt-test.freedom.press"
-  signing_key_filename: "apt-test-pubkey.asc"
+  signing_key_filename: "securedrop-release-signing-pubkey-2021.asc"