diff --git a/package.json b/package.json
index 2a7483d..24c1630 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "react": "^16.4.1",
     "react-test-renderer": "^16.4.1",
     "redux": "^4.0.0",
-    "rollup": "~1.18",
+    "rollup": "~1.26.3",
     "sanctuary-scripts": "^3.2.0",
     "sanctuary-show": "^1.0.0",
     "sanctuary-type-classes": "^11.0.0",