diff --git a/modules/kafka/src/test/scala/com/snowplowanalytics/snowplow/enrich/kafka/ConfigSpec.scala b/modules/kafka/src/test/scala/com/snowplowanalytics/snowplow/enrich/kafka/ConfigSpec.scala
index 054c5916c..71d8178ce 100644
--- a/modules/kafka/src/test/scala/com/snowplowanalytics/snowplow/enrich/kafka/ConfigSpec.scala
+++ b/modules/kafka/src/test/scala/com/snowplowanalytics/snowplow/enrich/kafka/ConfigSpec.scala
@@ -92,7 +92,7 @@ class ConfigSpec extends Specification with CatsEffect {
             )
           )
         ),
-        io.Concurrency(256, 1),
+        io.Concurrency(256, 8),
         Some(7.days),
         io.RemoteAdapterConfigs(
           10.seconds,
@@ -202,7 +202,7 @@ class ConfigSpec extends Specification with CatsEffect {
             )
           )
         ),
-        io.Concurrency(256, 1),
+        io.Concurrency(256, 8),
         None,
         io.RemoteAdapterConfigs(
           10.seconds,
diff --git a/modules/kinesis/src/test/scala/com/snowplowanalytics/snowplow/enrich/kinesis/ConfigSpec.scala b/modules/kinesis/src/test/scala/com/snowplowanalytics/snowplow/enrich/kinesis/ConfigSpec.scala
index c7ad3136b..350342327 100644
--- a/modules/kinesis/src/test/scala/com/snowplowanalytics/snowplow/enrich/kinesis/ConfigSpec.scala
+++ b/modules/kinesis/src/test/scala/com/snowplowanalytics/snowplow/enrich/kinesis/ConfigSpec.scala
@@ -81,7 +81,7 @@ class ConfigSpec extends Specification with CatsEffect {
             None
           )
         ),
-        io.Concurrency(256, 1),
+        io.Concurrency(256, 8),
         Some(7.days),
         io.RemoteAdapterConfigs(
           10.seconds,
@@ -175,7 +175,7 @@ class ConfigSpec extends Specification with CatsEffect {
             None
           )
         ),
-        io.Concurrency(256, 1),
+        io.Concurrency(256, 8),
         None,
         io.RemoteAdapterConfigs(
           10.seconds,