diff --git a/run-tests.bat b/run-tests.bat
index 0f766212..bf62e6bf 100644
--- a/run-tests.bat
+++ b/run-tests.bat
@@ -31,6 +31,8 @@ call nvm version
 call nvm install 8
 call nvm use 8
 
+SET npm_config_fetch_retries=5
+
 call npm install || goto :error
 
 SET JUNIT_REPORT_STACK=1
diff --git a/run-tests.sh b/run-tests.sh
index 0e8afbe1..a9bcab21 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -35,6 +35,8 @@ nvm install lts/*
 nvm use lts/*
 set -ex
 
+npm_config_fetch_retries=5
+
 npm install --unsafe-perm
 
 mkdir -p reports