diff --git a/indexer-core/pom.xml b/indexer-core/pom.xml
index 522981203d69035d1bd98baad6f9971b0304145c..7a4e8e9213d2cfafdd3de581a0d01ba39bae11dc 100644
--- a/indexer-core/pom.xml
+++ b/indexer-core/pom.xml
@@ -16,7 +16,7 @@
 
 	<properties>
 		<commons-beanutils.version>1.9.4</commons-beanutils.version>
-		<osdu.oscorecommon.version>0.13.0-rc3</osdu.oscorecommon.version>
+		<osdu.oscorecommon.version>0.13.0-rc4</osdu.oscorecommon.version>
 	</properties>
 
 	<dependencies>
diff --git a/pom.xml b/pom.xml
index 00e593ecb097f0167a2be4e2df0fd0e99a6d2c15..7e269cedec18e5a7b8ccf95d5be9fbbfdb0ab456 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <java.version>1.8</java.version>
         <springfox-version>2.7.0</springfox-version>
         <spring-cloud.version>Greenwich.SR2</spring-cloud.version>
-        <os-core-common.version>0.13.0-rc3</os-core-common.version>
+        <os-core-common.version>0.13.0-rc4</os-core-common.version>
         <snakeyaml.version>1.26</snakeyaml.version>
         <hibernate-validator.version>6.1.5.Final</hibernate-validator.version>
         <jackson.version>2.11.4</jackson.version>
@@ -29,7 +29,7 @@
         <netty.version>4.1.51.Final</netty.version>
         <reactor-netty.version>0.8.20.RELEASE</reactor-netty.version>
         <woodstox-core.version>6.2.3</woodstox-core.version>
-        <log4j2.version>2.16.0</log4j2.version>
+        <log4j2.version>2.17.0</log4j2.version>
         <!--        <maven.compiler.target>1.8</maven.compiler.target>-->
 <!--        <maven.compiler.source>1.8</maven.compiler.source>-->
 <!--        <maven.war.plugin>2.6</maven.war.plugin>-->
diff --git a/provider/indexer-aws/pom.xml b/provider/indexer-aws/pom.xml
index b2846acdda3cd71eb784fcc37bc3e585654e6540..983cb5530daf93e03e969306cf1c6e295979419d 100644
--- a/provider/indexer-aws/pom.xml
+++ b/provider/indexer-aws/pom.xml
@@ -47,7 +47,7 @@
     <dependency>
         <groupId>org.opengroup.osdu.core.aws</groupId>
         <artifactId>os-core-lib-aws</artifactId>
-        <version>0.13.0-rc2</version>
+        <version>0.13.0-rc3</version>
     </dependency>
 
     <!-- AWS managed packages -->
diff --git a/provider/indexer-azure/pom.xml b/provider/indexer-azure/pom.xml
index 52c0483d91e2f457f71d905bc98b637bda3cd2a1..a90cd035b1033dca96a2ff9b82cc8be5a85ccf2e 100644
--- a/provider/indexer-azure/pom.xml
+++ b/provider/indexer-azure/pom.xml
@@ -37,12 +37,12 @@
         <azure.appservice.plan />
         <azure.appservice.appname />
         <azure.appservice.subscription />
-        <log4j.version>2.11.2</log4j.version>
+        <log4j.version>2.17.0</log4j.version>
         <nimbus-jose-jwt.version>8.2</nimbus-jose-jwt.version>
         <indexer-core.version>0.13.0-SNAPSHOT</indexer-core.version>
         <spring-security-jwt.version>1.1.1.RELEASE</spring-security-jwt.version>
-        <osdu.corelibazure.version>0.13.0-rc5</osdu.corelibazure.version>
-        <osdu.oscorecommon.version>0.13.0-rc3</osdu.oscorecommon.version>
+        <osdu.corelibazure.version>0.13.0-rc6</osdu.corelibazure.version>
+        <osdu.oscorecommon.version>0.13.0-rc4</osdu.oscorecommon.version>
         <reactor-netty.version>0.9.12.RELEASE</reactor-netty.version>
         <java-jwt.version>3.8.1</java-jwt.version>
         <powermock.version>2.0.2</powermock.version>
@@ -118,6 +118,11 @@
             <artifactId>log4j-jul</artifactId>
             <version>${log4j.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
 
         <dependency>
             <groupId>com.nimbusds</groupId>
diff --git a/provider/indexer-gcp/pom.xml b/provider/indexer-gcp/pom.xml
index 75dd488bbe94e765a93965249694dc23976687a8..394e63367d99c3bdabbc00c85674308752b134f3 100644
--- a/provider/indexer-gcp/pom.xml
+++ b/provider/indexer-gcp/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.opengroup.osdu</groupId>
             <artifactId>core-lib-gcp</artifactId>
-            <version>0.13.0-rc3</version>
+            <version>0.13.0-rc4</version>
         </dependency>
         <dependency>
             <groupId>org.opengroup.osdu.indexer</groupId>
diff --git a/provider/indexer-ibm/pom.xml b/provider/indexer-ibm/pom.xml
index 88eb53debcd4b1073cd5b5483a68d338e7286b1e..7df89bc6157bb13ae782ad549b610b27c9d3709d 100644
--- a/provider/indexer-ibm/pom.xml
+++ b/provider/indexer-ibm/pom.xml
@@ -31,7 +31,7 @@
     <packaging>jar</packaging>
 	
 	<properties>
-		<os-core-lib-ibm.version>0.13.0-rc4</os-core-lib-ibm.version>
+		<os-core-lib-ibm.version>0.13.0-rc5</os-core-lib-ibm.version>
 	</properties>
 	
 	<profiles>
diff --git a/testing/indexer-test-ibm/pom.xml b/testing/indexer-test-ibm/pom.xml
index 5b97986ed2cf43ab29583617f2f1486014e4341f..ce81d0fff255e43e061f97828393d31465a031c9 100644
--- a/testing/indexer-test-ibm/pom.xml
+++ b/testing/indexer-test-ibm/pom.xml
@@ -19,7 +19,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>
         <cucumber.version>1.2.5</cucumber.version>
-        <os-core-lib-ibm.version>0.13.0-rc4</os-core-lib-ibm.version>
+        <os-core-lib-ibm.version>0.13.0-rc5</os-core-lib-ibm.version>
     </properties>
 
     <dependencies>