diff --git a/README.md b/README.md
index 6d46b83..b6c115b 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Otherwise, the following versions of the dependencies are used
 
 ```
 HADOOP_VERSION=2.6.0-cdh5.5.0
-SPARK_VERSION=2.3.1
+SPARK_VERSION=2.4.1
 SCALA_VERSION=2.11.12
 ```
 
diff --git a/appveyor.yml b/appveyor.yml
index 77c0bf1..a3538fb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -5,9 +5,9 @@ environment:
   global:
     LIBHDFS_DIR: '%APPVEYOR_BUILD_FOLDER%\libhdfs-dev'
     HADOOP_VERSION: 2.6.0-cdh5.5.0
-    SPARK_VERSION: 2.3.1
+    SPARK_VERSION: 2.4.1
     JAVA_HOME: C:\Program Files\Java\jdk1.8.0
-    XGBOOST_BASE_VERSION: 0.82-criteo-20190412
+    XGBOOST_BASE_VERSION: 0.90-criteo-20190702
   matrix:
     - SCALA_VERSION: 2.11.12
       XGBOOST_VERSION: '%XGBOOST_BASE_VERSION%_2.11'