diff --git a/DESCRIPTION b/DESCRIPTION
index cb590de..33ca5f7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -54,6 +54,6 @@ Suggests:
 biocViews: SingleCell, Sequencing, GeneRegulation, ImmunoOncology
 LazyData: TRUE
 LinkingTo: Rcpp, RcppArmadillo
-SystemRequirements: C++11
+SystemRequirements: C++14
 VignetteBuilder: knitr
 RoxygenNote: 6.0.1
diff --git a/src/Makevars b/src/Makevars
index 22ebc63..9defeb6 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1 +1,2 @@
+CXX_STD = CXX14
 PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)