diff --git a/pkg/cmd/roachtest/roachtestutil/clusterupgrade/clusterupgrade.go b/pkg/cmd/roachtest/roachtestutil/clusterupgrade/clusterupgrade.go
index 250e9abf4d68..a2310fbe66a0 100644
--- a/pkg/cmd/roachtest/roachtestutil/clusterupgrade/clusterupgrade.go
+++ b/pkg/cmd/roachtest/roachtestutil/clusterupgrade/clusterupgrade.go
@@ -286,7 +286,7 @@ func WaitForClusterUpgrade(
 		return nil
 	}
 
-	l.Printf("waiting for cluster to auto-upgrade to %s", newVersion)
+	l.Printf("waiting for cluster to auto-upgrade to %s for %s", newVersion, timeout)
 	if err := waitForUpgrade(firstNode, timeout); err != nil {
 		return err
 	}
diff --git a/pkg/cmd/roachtest/roachtestutil/mixedversion/planner.go b/pkg/cmd/roachtest/roachtestutil/mixedversion/planner.go
index 2944f76feff0..4a2fc7192c7b 100644
--- a/pkg/cmd/roachtest/roachtestutil/mixedversion/planner.go
+++ b/pkg/cmd/roachtest/roachtestutil/mixedversion/planner.go
@@ -145,7 +145,6 @@ func (p *testPlanner) initSteps() []testStep {
 // nodes to be the same and then run any after-finalization hooks the
 // user may have provided.
 func (p *testPlanner) finalSteps() []testStep {
-	fmt.Printf(">>>> option timeout: %s\n", p.options.upgradeTimeout)
 	return append([]testStep{
 		waitForStableClusterVersionStep{id: p.nextID(), nodes: p.crdbNodes, timeout: p.options.upgradeTimeout},
 	}, p.hooks.AfterUpgradeFinalizedSteps(p.nextID, p.finalContext(false /* finalizing */))...)
diff --git a/pkg/cmd/roachtest/roachtestutil/mixedversion/planner_test.go b/pkg/cmd/roachtest/roachtestutil/mixedversion/planner_test.go
index 07c834fd5179..7b9ee036df5c 100644
--- a/pkg/cmd/roachtest/roachtestutil/mixedversion/planner_test.go
+++ b/pkg/cmd/roachtest/roachtestutil/mixedversion/planner_test.go
@@ -264,8 +264,7 @@ func Test_startClusterID(t *testing.T) {
 // timeout in the clusterupgrade package is used; otherwise, the
 // custom value is enforced.
 func Test_upgradeTimeout(t *testing.T) {
-	findUpgradeWaitStep := func(plan *TestPlan) []waitForStableClusterVersionStep {
-		var zero waitForStableClusterVersionStep
+	findUpgradeWaitSteps := func(plan *TestPlan) []waitForStableClusterVersionStep {
 		var steps []waitForStableClusterVersionStep
 		for _, s := range plan.steps {
 			if step, isUpgrade := s.(waitForStableClusterVersionStep); isUpgrade {
@@ -273,7 +272,7 @@ func Test_upgradeTimeout(t *testing.T) {
 			}
 		}
 		if len(steps) == 0 {
-			require.Fail(t, "could not find any %T step in the plan", zero)
+			require.Fail(t, "could not find any waitForStableClusterVersionStep in the plan")
 		}
 		return steps
 	}
@@ -282,7 +281,7 @@ func Test_upgradeTimeout(t *testing.T) {
 		mvt := newTest(opts...)
 		plan, err := mvt.plan()
 		require.NoError(t, err)
-		waitUpgrades := findUpgradeWaitStep(plan)
+		waitUpgrades := findUpgradeWaitSteps(plan)
 
 		for _, s := range waitUpgrades {
 			require.Equal(t, expectedTimeout, s.timeout)
diff --git a/pkg/cmd/roachtest/tests/mixed_version_backup.go b/pkg/cmd/roachtest/tests/mixed_version_backup.go
index 2b1f0d4eb150..c0c87c9ed59e 100644
--- a/pkg/cmd/roachtest/tests/mixed_version_backup.go
+++ b/pkg/cmd/roachtest/tests/mixed_version_backup.go
@@ -2101,7 +2101,14 @@ func registerBackupMixedVersion(r registry.Registry) {
 
 			roachNodes := c.Range(1, c.Spec().NodeCount-1)
 			workloadNode := c.Node(c.Spec().NodeCount)
-			mvt := mixedversion.NewTest(ctx, t, t.L(), c, roachNodes)
+			mvt := mixedversion.NewTest(
+				ctx, t, t.L(), c, roachNodes,
+				// We use a longer upgrade timeout in this test to give the
+				// migrations enough time to finish considering all the data
+				// that might exist in the cluster by the time the upgrade is
+				// attempted.
+				mixedversion.UpgradeTimeout(30*time.Minute),
+			)
 			testRNG := mvt.RNG()
 
 			uploadVersion(ctx, t, c, workloadNode, clusterupgrade.MainVersion)