diff --git a/buildSrc/src/main/groovy/org.apache.fineract.dependencies.gradle b/buildSrc/src/main/groovy/org.apache.fineract.dependencies.gradle
index 45fde1f7d..b9e9f7c10 100644
--- a/buildSrc/src/main/groovy/org.apache.fineract.dependencies.gradle
+++ b/buildSrc/src/main/groovy/org.apache.fineract.dependencies.gradle
@@ -222,7 +222,7 @@ dependencyManagement {
 
         dependency "io.github.resilience4j:resilience4j-spring-boot2:1.7.1"
 
-        dependency ('org.mariadb.jdbc:mariadb-java-client:3.1.0') {
+        dependency ('org.mariadb.jdbc:mariadb-java-client:3.0.9') {
             exclude 'org.slf4j:jcl-over-slf4j'
             exclude 'org.slf4j:slf4j-api'
         }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/SavingsAccountInterestPostingServiceImpl.java b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/SavingsAccountInterestPostingServiceImpl.java
index cbfd124fa..d9bba7342 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/SavingsAccountInterestPostingServiceImpl.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/portfolio/savings/service/SavingsAccountInterestPostingServiceImpl.java
@@ -489,7 +489,8 @@ public class SavingsAccountInterestPostingServiceImpl implements SavingsAccountI
 
     private boolean createWithHoldTransaction(final BigDecimal amount, final LocalDate date, final SavingsAccountData savingsAccountData) {
         boolean isTaxAdded = false;
-        if (savingsAccountData.getTaxGroup() != null && amount.compareTo(BigDecimal.ZERO) > 0) {
+        if (savingsAccountData.getTaxGroup() != null && savingsAccountData.getTaxGroup().getTaxAssociations() != null
+                && amount.compareTo(BigDecimal.ZERO) > 0) {
             Map<TaxComponentData, BigDecimal> taxSplit = TaxUtils.splitTaxData(amount, date,
                     savingsAccountData.getTaxGroup().getTaxAssociations().stream().collect(Collectors.toSet()), amount.scale());
             BigDecimal totalTax = TaxUtils.totalTaxDataAmount(taxSplit);
diff --git a/renovate.json b/renovate.json
index d21bc6422..75b55e9d2 100644
--- a/renovate.json
+++ b/renovate.json
@@ -58,6 +58,10 @@
     "matchPackageNames": ["gradle"],
     "allowedVersions": "<=7.5.1"
   },
+  {
+    "matchPackageNames": ["org.mariadb.jdbc:mariadb-java-client"],
+    "allowedVersions": "<=3.0.9"
+  },
   {
     "depTypeList": ["dependencies"],
     "updateTypes": ["patch", "minor"],