diff --git a/.travis.yml b/.travis.yml
index fb4d2846fc..c8314d567f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -183,7 +183,7 @@ before_install:
               tfold ext.redis tpecl redis-5.2.2 redis.so $INI "no"
           fi
 
-          tfold ext.igbinary tpecl igbinary-3.1.2 igbinary.so $INI
+          tfold ext.igbinary tpecl igbinary-3.1.5 igbinary.so $INI
       done
     - |
       # List all php extensions with versions