diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8e84c9a3c88..d7bbfb873b4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -360,7 +360,7 @@ jobs:
     resource_class: large
     docker:
       - image: *ddtrace_dev_image
-    parallelism: 7
+    parallelism: 8
     steps:
       - checkout
       - setup_riot
@@ -394,7 +394,7 @@ jobs:
 
   tracer:
     <<: *contrib_job
-    parallelism: 7
+    parallelism: 8
     steps:
       - run_test:
           pattern: "tracer"
@@ -420,7 +420,7 @@ jobs:
 
   opentracer:
     <<: *contrib_job
-    parallelism: 7
+    parallelism: 8
     steps:
       - run_tox_scenario:
           pattern: '^py.\+-opentracer'
@@ -736,7 +736,7 @@ jobs:
 
   flask:
     <<: *machine_executor
-    parallelism: 7
+    parallelism: 8
     steps:
       - run_test:
           # Run both flask and flask_cache test suites
@@ -748,7 +748,7 @@ jobs:
 
   gevent:
     <<: *contrib_job
-    parallelism: 7
+    parallelism: 8
     steps:
       - run_tox_scenario:
           pattern: '^gevent_contrib-'
@@ -769,7 +769,7 @@ jobs:
 
   grpc:
     <<: *machine_executor
-    parallelism: 7
+    parallelism: 8
     steps:
       - run_test:
           pattern: "grpc"
@@ -1085,7 +1085,7 @@ jobs:
 
   kombu:
     <<: *contrib_job
-    parallelism: 7
+    parallelism: 8
     docker:
       - image: *ddtrace_dev_image
       - image: *rabbitmq_image