diff --git a/configs/abipy/manager.yml b/configs/abipy/manager.yml
index 1c3df1693816e7bcda25a0160c2aca20a55b046c..7e8fdc768092523e985b1d48a12b24630d52ddad 100644
--- a/configs/abipy/manager.yml
+++ b/configs/abipy/manager.yml
@@ -24,8 +24,8 @@ qadapters: # List of `qadapters` objects  (just one in this simplified example)
 
     limits:
       timelimit: 01:00:00   #  Time-limit for each task.
-      max_cores: 4          #  Max number of cores that can be used by a single task.
-      hint_cores:  2
+      max_cores: 1          #  Max number of cores that can be used by a single task.
+      hint_cores:  1
 
     hardware: *hardware
     job: *job
@@ -38,7 +38,7 @@ qadapters: # List of `qadapters` objects  (just one in this simplified example)
     limits:
       timelimit: 2:00:0
       min_cores: 1
-      max_cores: 2
+      max_cores: 1
       min_mem_per_proc: 1
     hardware: *hardware
     job: *job