diff --git a/NEWS.md b/NEWS.md
index 09e5d07..1f0c62d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,8 @@
+## 4.0.2 2024-04-17
+  * ERM-3190 DB Connections are not being released
+  * SI-52 Review outdated/vulnerable dependencies in mod-service-interaction
+  * Fixed typo in application-vagrant-db
+
 ## 4.0.1 2024-03-25
   * Fix missing spring dependencies from built jar
 
diff --git a/service/build.gradle b/service/build.gradle
index c867d9d..62a8014 100644
--- a/service/build.gradle
+++ b/service/build.gradle
@@ -96,7 +96,10 @@ dependencies {
   implementation "org.hibernate:hibernate-core:5.6.15.Final"
   implementation "org.grails.plugins:events"
 
-  implementation 'org.grails.plugins:spring-security-core:6.1.1' // Prev 5.2.1
+  implementation 'org.grails.plugins:spring-security-core:6.1.1' // NOT IN LINE WITH GRAILS PATCH VERSION
+  // 5.8.9 affected by https://security.snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORKSECURITY-6457293
+  implementation("org.springframework.security:spring-security-core:5.8.11")
+
 
   implementation "org.grails.plugins:views-json"
   implementation "org.grails.plugins:views-json-templates"
@@ -124,7 +127,7 @@ dependencies {
 
   /*  ---- Manually installed dependencies ---- */
 	implementation 'com.k_int.grails:web-toolkit-ce:9.0.0'
-	implementation('com.k_int.okapi:grails-okapi:7.0.0') {
+	implementation('com.k_int.okapi:grails-okapi:7.1.0') {
     exclude group: 'com.vaadin.external.google', module: 'android-json'
   }
 
@@ -133,7 +136,7 @@ dependencies {
 	implementation "org.springframework.boot:spring-boot-starter-undertow" // Replaces spring-boot-starter-tomcat
 	implementation "org.hibernate:hibernate-java8"
 	runtimeOnly "com.zaxxer:HikariCP:5.1.0"                             // Replaces Tomcat JDBC pool
-	runtimeOnly "org.postgresql:postgresql:42.5.3"
+  runtimeOnly "org.postgresql:postgresql:42.7.3"
 
   implementation ('org.grails.plugins:database-migration:4.2.1') {
 		exclude group: 'org.liquibase', module: 'liquibase-core'
@@ -141,9 +144,11 @@ dependencies {
 	implementation 'org.liquibase:liquibase-core:4.19.0' // Prev 4.17.2 -- taken from master of plugin database migration
 
 	implementation 'com.opencsv:opencsv:5.7.1'
-	implementation 'commons-io:commons-io:2.6'
-	implementation 'io.github.virtualdogbert:logback-groovy-config:1.14.1' // Grails 5 and up no longer supports groovy files for logback config
-	compileOnly 'ch.qos.logback:logback-classic:1.4.7'
+  implementation 'commons-io:commons-io:2.7'
+  implementation('io.github.virtualdogbert:logback-groovy-config:1.14.1')
+  compileOnly 'ch.qos.logback:logback-classic:1.4.7'
+  // Is on runtime classpath via spring-boot-starter
+  runtimeOnly 'ch.qos.logback:logback-classic:1.2.13'
 
 	/*  ---- Manually installed testing dependencies ---- */
 	//implementation "org.grails:grails-gorm-testing-support:2.6.1"
@@ -158,8 +163,9 @@ dependencies {
 	implementation 'org.z3950.zing:cql-java:1.13'
 
 	/* ---- Custom non profile deps ---- */
-	implementation 'org.apache.kafka:kafka-clients:2.3.0'
-	implementation 'com.github.everit-org.json-schema:org.everit.json.schema:1.14.3'
+  implementation 'org.apache.kafka:kafka-clients:3.7.0'
+  implementation 'com.github.everit-org.json-schema:org.everit.json.schema:1.14.4'
+
 	// Better test reports.
 	testImplementation( 'com.athaydes:spock-reports:2.3.2-groovy-3.0' ) {
 		transitive = false // this avoids affecting your version of Groovy/Spock
diff --git a/service/gradle.properties b/service/gradle.properties
index 07203df..f7170e2 100644
--- a/service/gradle.properties
+++ b/service/gradle.properties
@@ -1,9 +1,9 @@
-grailsVersion=6.1.1
-grailsGradlePluginVersion=6.1.1
+grailsVersion=6.1.2
+grailsGradlePluginVersion=6.1.2
 
 # Application
 appName=mod-service-interaction
-appVersion=4.0.1
+appVersion=4.0.2
 dockerTagSuffix=
 dockerRepo=folioci
 
diff --git a/service/grails-app/conf/application-vagrant-db.yml b/service/grails-app/conf/application-vagrant-db.yml
index 85caa68..5302278 100644
--- a/service/grails-app/conf/application-vagrant-db.yml
+++ b/service/grails-app/conf/application-vagrant-db.yml
@@ -14,7 +14,7 @@ dataSource:
   properties:
     jmxEnabled: false
     maximumPoolSize: ${db.maxpoolsize:10}
-    transactionIsolation: TRANSACTION_READ_COMMITTEDD_COMMITTED
+    transactionIsolation: TRANSACTION_READ_COMMITTED
 ---
 server:
   host: localhost