diff --git a/.github/workflows/testing-dnstap.yml b/.github/workflows/testing-dnstap.yml
index 67201976..776d3db6 100644
--- a/.github/workflows/testing-dnstap.yml
+++ b/.github/workflows/testing-dnstap.yml
@@ -48,7 +48,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - { service: "unbound", version: "1.20.0", mode: "tcp" }
+          - { service: "unbound", version: "1.22.0", mode: "tcp" }
+          - { service: "unbound", version: "1.21.0", mode: "tcp" }
           - { service: "coredns", version: "1.11.1", mode: "tcp" }
           - { service: "coredns", version: "1.11.1", mode: "tls" }
           - { service: "dnsdist", version: "19", mode: "tcp" }
@@ -111,4 +112,4 @@ jobs:
           python3 -m venv venv
           source venv/bin/activate
           python3 -m pip install dnstap_pb fstrm dnspython protobuf
-          python3 -m unittest tests.dnsquery_dnstap${{ matrix.config.mode }} -v
\ No newline at end of file
+          python3 -m unittest tests.dnsquery_dnstap${{ matrix.config.mode }} -v