diff --git a/modules/doobie-core/src/test/scala/DoobieDatabaseSuite.scala b/modules/doobie-core/src/test/scala/DoobieDatabaseSuite.scala
index 44bde653..a92d8c5e 100644
--- a/modules/doobie-core/src/test/scala/DoobieDatabaseSuite.scala
+++ b/modules/doobie-core/src/test/scala/DoobieDatabaseSuite.scala
@@ -18,13 +18,12 @@ package grackle.doobie.test
 import java.time.Duration
 
 import io.circe.{Decoder => CDecoder, Encoder => CEncoder}
-import munit.CatsEffectSuite
 import org.typelevel.doobie.Meta
 
 import grackle.doobie.DoobieMappingLike
 import grackle.sql.test._
 
-trait DoobieDatabaseSuite extends CatsEffectSuite {
+trait DoobieDatabaseSuite extends SqlDatabaseSuite {
   trait DoobieTestMapping[F[_]] extends DoobieMappingLike[F] with SqlTestMapping[F] {
 
     type TestCodec[T] = (Meta[T], Boolean)
diff --git a/modules/sql-core/src/test/scala/SqlDatabaseSuite.scala b/modules/sql-core/src/test/scala/SqlDatabaseSuite.scala
new file mode 100644
index 00000000..6dcecbd3
--- /dev/null
+++ b/modules/sql-core/src/test/scala/SqlDatabaseSuite.scala
@@ -0,0 +1,30 @@
+// Copyright (c) 2016-2025 Association of Universities for Research in Astronomy, Inc. (AURA)
+// Copyright (c) 2016-2025 Grackle Contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package grackle.sql.test
+
+import scala.concurrent.duration._
+
+import munit.CatsEffectSuite
+
+/**
+ * Common base for the per-backend database suite traits, raising munit-cats-effect's 30s
+ * default timeout: database-backed tests can exceed it for reasons that have nothing to do with
+ * the test itself, e.g. several forked backend test JVMs contending for one docker daemon on a
+ * constrained machine, showing up as spurious timeouts rather than failures.
+ */
+trait SqlDatabaseSuite extends CatsEffectSuite {
+  override def munitIOTimeout: Duration = 2.minutes
+}
diff --git a/modules/sql-pg/js-jvm/src/test/scala/SqlPgDatabaseSuite.scala b/modules/sql-pg/js-jvm/src/test/scala/SqlPgDatabaseSuite.scala
index a1c4965d..0650becc 100644
--- a/modules/sql-pg/js-jvm/src/test/scala/SqlPgDatabaseSuite.scala
+++ b/modules/sql-pg/js-jvm/src/test/scala/SqlPgDatabaseSuite.scala
@@ -15,9 +15,9 @@
 
 package grackle.sqlpg.test
 
-import munit.CatsEffectSuite
+import grackle.sql.test.SqlDatabaseSuite
 
-trait SqlPgDatabaseSuite extends CatsEffectSuite {
+trait SqlPgDatabaseSuite extends SqlDatabaseSuite {
   case class PostgresConnectionInfo(host: String, port: Int) {
 
     val driverClassName = "org.postgresql.Driver"