diff --git a/.mergify.yml b/.mergify.yml
index 936482e97..b1d0c3526 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -6,9 +6,9 @@ queue_rules:
       - status-success="spelling"
       - status-success="python format"
       - status-success="python lint"
-      - status-success="bionic - gcc-8,distcheck"
-      - status-success="bionic - clang-6.0"
-      - status-success="bionic - test-install"
+      - status-success="jammy - gcc-8,distcheck"
+      - status-success="jammy - clang-6.0"
+      - status-success="jammy - test-install"
       - status-success="focal"
       - status-success="el7"
       - status-success="el8"
diff --git a/src/test/docker-deploy.sh b/src/test/docker-deploy.sh
index c76e60db6..d1cd10ddf 100755
--- a/src/test/docker-deploy.sh
+++ b/src/test/docker-deploy.sh
@@ -20,8 +20,8 @@ echo $DOCKER_PASSWORD | docker login -u "$DOCKER_USERNAME" --password-stdin
 log "docker push ${DOCKER_TAG}"
 docker push ${DOCKER_TAG}
 
-#  If this is the bionic build, then also tag without image name:
-if echo "$DOCKER_TAG" | grep -q "bionic"; then
+#  If this is the jammy build, then also tag without image name:
+if echo "$DOCKER_TAG" | grep -q "jammy"; then
     t="${DOCKER_REPO}:${GITHUB_TAG:-latest}"
     log "docker push ${t}"
     docker tag "$DOCKER_TAG" ${t} && docker push ${t}
diff --git a/src/test/docker/docker-run-checks.sh b/src/test/docker/docker-run-checks.sh
index 2582726d8..f27a537bd 100755
--- a/src/test/docker/docker-run-checks.sh
+++ b/src/test/docker/docker-run-checks.sh
@@ -10,7 +10,7 @@
 PROJECT=flux-sched
 BASE_DOCKER_REPO=fluxrm/flux-core
 
-IMAGE=bionic
+IMAGE=jammy
 JOBS=2
 MOUNT_HOME_ARGS="--volume=$HOME:/home/$USER -e HOME"
 
diff --git a/src/test/generate-matrix.py b/src/test/generate-matrix.py
index 99a3ea8a3..1b5b0b7b7 100755
--- a/src/test/generate-matrix.py
+++ b/src/test/generate-matrix.py
@@ -45,7 +45,7 @@ def create_docker_tag(self, image, env, command):
     def add_build(
         self,
         name=None,
-        image="bionic",
+        image="jammy",
         args=default_args,
         jobs=4,
         env=None,
@@ -104,7 +104,7 @@ def __str__(self):
 
 # Ubuntu: gcc-8, distcheck
 matrix.add_build(
-    name="bionic - gcc-8,distcheck",
+    name="jammy - gcc-8,distcheck",
     env=dict(
         CC="gcc-8",
         CXX="g++-8",
@@ -118,7 +118,7 @@ def __str__(self):
 
 # Ubuntu: py3.7,clang-6.0
 matrix.add_build(
-    name="bionic - clang-6.0",
+    name="jammy - clang-6.0",
     env=dict(
         CC="clang-6.0",
         CXX="clang++-6.0",
@@ -129,7 +129,7 @@ def __str__(self):
 
 # Ubuntu: TEST_INSTALL
 matrix.add_build(
-    name="bionic - test-install",
+    name="jammy - test-install",
     env=dict(TEST_INSTALL="t"),
     docker_tag=True,
 )