diff --git a/main/pom.xml b/main/pom.xml
index 5589c8abb..f5c25acc0 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -173,7 +173,7 @@
     <dependency>
       <groupId>org.openrefine.dependencies</groupId>
       <artifactId>butterfly</artifactId>
-      <version>1.0.3</version>
+      <version>1.0.4</version>
     </dependency>
     <dependency>
       <groupId>org.mozilla</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 9fccead46..f8caaedff 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -175,7 +175,7 @@
     <dependency>
       <groupId>org.openrefine.dependencies</groupId>
       <artifactId>butterfly</artifactId>
-      <version>1.0.3</version>
+      <version>1.0.4</version>
     </dependency>
     <dependency>
       <groupId>org.mozilla</groupId>