diff --git a/ports/armadillo/CONTROL b/ports/armadillo/CONTROL
index ef0c926a5be..4a025775354 100644
--- a/ports/armadillo/CONTROL
+++ b/ports/armadillo/CONTROL
@@ -1,4 +1,4 @@
 Source: armadillo
-Version: 2019-04-16-4
+Version: 2019-04-16-5
 Description: Armadillo is a high quality linear algebra library (matrix maths) for the C++ language, aiming towards a good balance between speed and ease of use
 Build-Depends: openblas (!osx), clapack (!osx)
diff --git a/ports/armadillo/portfile.cmake b/ports/armadillo/portfile.cmake
index 4e5798f9b5c..7a9d73fe436 100644
--- a/ports/armadillo/portfile.cmake
+++ b/ports/armadillo/portfile.cmake
@@ -20,6 +20,7 @@ file(REMOVE ${SOURCE_PATH}/cmake_aux/Modules/ARMA_FindOpenBLAS.cmake)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
+    DISABLE_PARALLEL_CONFIGURE
     PREFER_NINJA
     OPTIONS
         -DDETECT_HDF5=false