diff --git a/README.md b/README.md
index 3f96bf1..c05e2ee 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,12 @@ With this approach:
 * slower serialization type due to frequent Kryo fallback
 * larger savepoint size (again, due to Kryo)
 
+### Closure cleaner from Spark 3.x
+
+Flink historically used quite an old forked version of the ClosureCleaner for scala lambdas, which has some minor
+compatibility issues with Java 17 and Scala 2.13+. This project uses a more recent version, hopefully with less
+compatibility issues.
+
 ### No Legacy DataSet API
 
 Sorry, but it's already deprecated and as a community project we have no resources to support it. If you need it,
diff --git a/build.sbt b/build.sbt
index 259998f..de0f31a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-ThisBuild / version := "1.15-1"
+ThisBuild / version := "1.15-2"
 
 lazy val root = (project in file("."))
   .settings(
@@ -8,11 +8,11 @@ lazy val root = (project in file("."))
     libraryDependencies ++= Seq(
       "org.apache.flink"        % "flink-streaming-java"    % "1.15.0",
       "org.apache.flink"        % "flink-java"              % "1.15.0",
-      "io.findify"             %% "flink-adt"               % "0.6.0",
+      "io.findify"             %% "flink-adt"               % "0.6.1",
       "org.scalatest"          %% "scalatest"               % "3.2.12" % Test,
       "org.apache.flink"        % "flink-test-utils"        % "1.15.0" % Test,
       "org.apache.flink"        % "flink-test-utils-junit"  % "1.15.0" % Test,
-      "com.github.sbt"          % "junit-interface"         % "0.13.2" % Test,
+      "com.github.sbt"          % "junit-interface"         % "0.13.3" % Test,
       "org.scala-lang.modules" %% "scala-collection-compat" % "2.7.0"
     ),
     libraryDependencies += {