diff --git a/.travis.yml b/.travis.yml
index 13a0316802..1b3d06a3e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,9 @@ before_install:
 
 rvm:
   - 2.2.10
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
   - ruby-head
   - jruby-9.2.0.0
 
@@ -21,9 +21,9 @@ matrix:
   include:
     - rvm: ruby-head
       env: RUBYOPT="--jit"
-    - rvm: 2.3.7
+    - rvm: 2.3.8
       os: osx
-    - rvm: 2.5
+    - rvm: 2.5.3
       os: osx
     - rvm: jruby-head
     - rvm: rbx-3