diff --git a/admin/pom.xml b/admin/pom.xml
index 1936a825a7..36bb802d18 100644
--- a/admin/pom.xml
+++ b/admin/pom.xml
@@ -112,7 +112,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.2.5</version>
+            <version>4.3.6</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/jss-old-data/pom.xml b/jss-old-data/pom.xml
index 710f508a3d..dea50ffb0b 100644
--- a/jss-old-data/pom.xml
+++ b/jss-old-data/pom.xml
@@ -38,7 +38,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.48</version>
+            <version>8.0.16</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
diff --git a/pom.xml b/pom.xml
index 57142e7220..b2d9ba67d2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
 
         <!--test dependencies-->
 
-        <junitVersion>4.12</junitVersion>
+        <junitVersion>4.13.1</junitVersion>
         <powerMockVersion>1.6.5</powerMockVersion>
         <hamcrestVersion>1.3</hamcrestVersion>
         <mockitoVersion>1.10.19</mockitoVersion>
diff --git a/reference-data/omod/pom.xml b/reference-data/omod/pom.xml
index 6b4d2724b5..66fcc5bf8c 100644
--- a/reference-data/omod/pom.xml
+++ b/reference-data/omod/pom.xml
@@ -114,7 +114,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.2.5</version>
+            <version>4.3.6</version>
             <scope>test</scope>
         </dependency>
         <dependency>