diff --git a/DESCRIPTION b/DESCRIPTION
index 73929b7e0..a16e3f37e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: PatientLevelPrediction
 Type: Package
 Title: Developing patient level prediction using data in the OMOP Common Data
     Model
-Version: 6.3.4
+Version: 6.3.5
 Date: 2023-08-15
 Authors@R: c(
     person("Jenna", "Reps", email = "jreps@its.jnj.com", role = c("aut", "cre")),
diff --git a/NEWS.md b/NEWS.md
index 33ce2fe7d..be5c6e18f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,9 @@
+PatientLevelPrediction 6.3.5
+======================
+- Fix sklearnToJson to be compatible with scikit-learn>=1.3
+- Fix github actions so it's not hardcoded to use python 3.7
+
+
 PatientLevelPrediction 6.3.4
 ======================
 - added spline feature engineering