diff --git a/R-package/DESCRIPTION b/R-package/DESCRIPTION
index 918d556c8..4a2f01bbc 100644
--- a/R-package/DESCRIPTION
+++ b/R-package/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: xgboost
 Type: Package
 Title: Extreme Gradient Boosting
-Version: 0.71.1
-Date: 2018-05-11
+Version: 0.71.2
+Date: 2018-06-08
 Authors@R: c(
   person("Tianqi", "Chen", role = c("aut"),
          email = "tianqi.tchen@gmail.com"),
@@ -51,6 +51,7 @@ Suggests:
     Ckmeans.1d.dp (>= 3.3.1),
     vcd (>= 1.3),
     testthat,
+    lintr,
     igraph (>= 1.0.1)
 Depends:
     R (>= 3.3.0)
diff --git a/appveyor.yml b/appveyor.yml
index 5f7e54642..3f3405e64 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -52,7 +52,7 @@ install:
           Invoke-WebRequest http://raw.github.com/krlmlr/r-appveyor/master/scripts/appveyor-tool.ps1 -OutFile "$Env:TEMP\appveyor-tool.ps1"
           Import-Module "$Env:TEMP\appveyor-tool.ps1"
           Bootstrap
-          $DEPS = "c('data.table','magrittr','stringi','ggplot2','DiagrammeR','Ckmeans.1d.dp','vcd','testthat','igraph','knitr','rmarkdown')"
+          $DEPS = "c('data.table','magrittr','stringi','ggplot2','DiagrammeR','Ckmeans.1d.dp','vcd','testthat','lintr','igraph','knitr','rmarkdown')"
           cmd.exe /c "R.exe -q -e ""install.packages($DEPS, repos='$CRAN', type='both')"" 2>&1"
         }
 
diff --git a/dmlc-core b/dmlc-core
index dadcd97fd..1c422a997 160000
--- a/dmlc-core
+++ b/dmlc-core
@@ -1 +1 @@
-Subproject commit dadcd97fdceb5f395e963b2a637f6ed377f59fc4
+Subproject commit 1c422a99786ba677db953a565807973154f6d374
diff --git a/rabit b/rabit
index fc5072b10..87143deb4 160000
--- a/rabit
+++ b/rabit
@@ -1 +1 @@
-Subproject commit fc5072b1000294e9c10487f5f535b3aa4e2c50be
+Subproject commit 87143deb4c0a34302f727ba35497e3380b2cced8