diff --git a/Jenkinsfile b/Jenkinsfile
index 86b1855a17..7ba983f74a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,4 +1,4 @@
-def DEFAULT_RUBY_VERSION = '2.5.9'
+def DEFAULT_RUBY_VERSION = '2.6.10'
 def LINUX_COMPILE_CONCURRENCY = 4
 def LINUX_ENV = ["TEST_RUBY_VERSION=${DEFAULT_RUBY_VERSION}", "COMPILE_CONCURRENCY=${LINUX_COMPILE_CONCURRENCY}"]
 def MACOS_COMPILE_CONCURRENCY = 4