diff --git a/.travis.yml b/.travis.yml
index 89f3a42b..62778419 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -89,7 +89,6 @@ matrix:
     env:
       - COMPILER=g++-4.9
       - CMAKE_OPTIONS=-DJSON_Coverage=ON
-      - SPECIAL=coveralls
 
   # Coverity (only for branch coverity_scan)
 
@@ -270,7 +269,7 @@ script:
   # compile and execute unit tests
   - mkdir -p build && cd build
   - cmake .. ${CMAKE_OPTIONS} -GNinja && cmake --build . --config Release
-  - ctest -C Release -V
+  - ctest -C Release -V -j
   - cd ..
 
   # check if homebrew works (only checks develop branch)
diff --git a/appveyor.yml b/appveyor.yml
index 4f423e2f..da703786 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,4 +24,4 @@ build_script:
   - cmake --build . --config Release
 
 test_script:
-  - ctest -C Release -V
+  - ctest -C Release -V -j