diff --git a/rzk/package.yaml b/rzk/package.yaml
index 1e1c4f169..cf5df63ca 100644
--- a/rzk/package.yaml
+++ b/rzk/package.yaml
@@ -45,7 +45,7 @@ dependencies:
   directory: ">= 1.2.7.0"
   Glob: ">= 0.9.3"
   mtl: ">= 2.2.2"
-  optparse-generic: ">= 1.3.0"
+  optparse-generic: ">= 1.4.0"
   template-haskell: ">= 2.14.0.0"
   text: ">= 1.2.3.1"
   yaml: ">= 0.11.0.0"