diff --git a/gradle.properties b/gradle.properties
index 6bf05b0..4e0fed4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 group = org.xbib.graphics
 name = graphics
-version = 5.5.0
+version = 5.5.1
diff --git a/settings.gradle b/settings.gradle
index bc52af1..e8539b8 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -17,7 +17,7 @@ dependencyResolutionManagement {
         libs {
             version('gradle', '8.7')
             version('groovy', '4.0.21')
-            version('datastructures', '5.0.7')
+            version('datastructures', '5.1.1')
             library('groovy', 'org.apache.groovy', 'groovy').versionRef('groovy')
             library('groovy-xml', 'org.apache.groovy', 'groovy-xml').versionRef('groovy')
             library('jna', 'net.java.dev.jna', 'jna').version('5.14.0')
@@ -35,7 +35,7 @@ dependencyResolutionManagement {
             library('datastructures-settings-yaml', 'org.xbib', 'settings-datastructures-yaml').versionRef('datastructures')
         }
         testLibs {
-            version('groovy', '4.0.16')
+            version('groovy', '4.0.21')
             version('junit', '5.10.2')
             version('junit4', '4.13.2')
             version('spock', '2.4-M1-groovy-4.0')