diff --git a/circle.yml b/circle.yml
index 1df59113..f1310c16 100644
--- a/circle.yml
+++ b/circle.yml
@@ -17,12 +17,12 @@ dependencies:
                 OMR_TARGET: rpi3
                 OMR_KEEPBIN: yes
             timeout: 7200
-        - sh build.sh package/{compile,install,index} -j2 :
+        - sh build.sh package/{compile,install,index} -j4 :
             timeout: 7200
             environment:
                 OMR_TARGET: x86_64
                 OMR_KEEPBIN: yes
-        - sh build.sh package/{compile,install,index} -j2 :
+        - sh build.sh package/{compile,install,index} -j4 :
             timeout: 7200
             environment:
                 OMR_TARGET: rpi3
@@ -33,12 +33,12 @@ dependencies:
 
 compile:
     override:
-        - sh build.sh target/install -j2 :
+        - sh build.sh target/install -j4 :
             timeout: 7200
             environment:
                 OMR_TARGET: x86_64
                 OMR_KEEPBIN: yes
-        - sh build.sh target/install -j2 :
+        - sh build.sh target/install -j4 :
             timeout: 7200
             environment:
                 OMR_TARGET: rpi3