diff --git a/build.gradle b/build.gradle
index 23797293b1..5d94ccfa75 100644
--- a/build.gradle
+++ b/build.gradle
@@ -86,9 +86,8 @@ buildscript {
         mavenLocal()
         mavenCentral()
         jcenter()
-        // This repository is needed for Dokka until 0.9.16 is released.
         maven {
-            url 'https://dl.bintray.com/kotlin/kotlin-eap/'
+            url 'https://kotlin.bintray.com/kotlinx'
         }
         maven {
             url "$artifactory_contextUrl/corda-releases"
diff --git a/constants.properties b/constants.properties
index d0817917ec..f3223f4c44 100644
--- a/constants.properties
+++ b/constants.properties
@@ -1,4 +1,4 @@
-gradlePluginsVersion=4.0.34
+gradlePluginsVersion=4.0.36
 kotlinVersion=1.2.71
 # ***************************************************************#
 # When incrementing platformVersion make sure to update          #
diff --git a/samples/simm-valuation-demo/contracts-states/build.gradle b/samples/simm-valuation-demo/contracts-states/build.gradle
index 2849ad30ff..023b072628 100644
--- a/samples/simm-valuation-demo/contracts-states/build.gradle
+++ b/samples/simm-valuation-demo/contracts-states/build.gradle
@@ -13,6 +13,10 @@ cordapp {
         // but the jar signer doesn't support that yet.
         enabled false
     }
+    sealing {
+        // Cannot seal JAR because other module also defines classes in the package net.corda.vega.analytics
+        enabled false
+    }
 }
 
 configurations {
diff --git a/samples/simm-valuation-demo/flows/build.gradle b/samples/simm-valuation-demo/flows/build.gradle
index 4520f321dd..1989c8fb41 100644
--- a/samples/simm-valuation-demo/flows/build.gradle
+++ b/samples/simm-valuation-demo/flows/build.gradle
@@ -9,6 +9,10 @@ cordapp {
     signing {
         enabled false
     }
+    sealing {
+        // Cannot seal JAR because other module also defines classes in the package net.corda.vega.analytics
+        enabled false
+    }
 }
 
 dependencies {