diff --git a/DESCRIPTION b/DESCRIPTION
index 22100572..7aa6fbd0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: mlr3learners
 Title: Recommended Learners for 'mlr3'
-Version: 0.5.4-9000
+Version: 0.5.6
 Authors@R: c(
     person("Michel", "Lang", , "michellang@gmail.com", role = c("cre", "aut"),
            comment = c(ORCID = "0000-0001-9754-0393")),
@@ -50,7 +50,7 @@ Encoding: UTF-8
 NeedsCompilation: no
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.2.3
-Collate: 
+Collate:
     'aaa.R'
     'LearnerClassifCVGlmnet.R'
     'LearnerClassifGlmnet.R'
diff --git a/NEWS.md b/NEWS.md
index bb46ea8f..5df18b57 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,8 @@
-# mlr3learners 0.5.4-9000
-* fix: unloading `mlr3learners` removes learners from dictionary.
+# mlr3learners 0.5.5
+
+- Enable new early stopping mechanism for xgboost.
+- Improved documentation.
+- fix: unloading `mlr3learners` removes learners from dictionary.
 
 # mlr3learners 0.5.4