diff --git a/pom.xml b/pom.xml
index 5698b68..665494d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -103,7 +103,7 @@ SOFTWARE.
     <dependency>
       <groupId>org.cactoos</groupId>
       <artifactId>cactoos</artifactId>
-      <version>0.55.0</version>
+      <version>0.56.1</version>
     </dependency>
     <dependency>
       <groupId>org.eolang</groupId>