diff --git a/cache-client/pom.xml b/cache-client/pom.xml
index 3073c9f439..5dd6604884 100644
--- a/cache-client/pom.xml
+++ b/cache-client/pom.xml
@@ -50,13 +50,13 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.12</version>
+			<version>${slf4j.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/cache-updater/pom.xml b/cache-updater/pom.xml
index b57857a714..7f74376da5 100644
--- a/cache-updater/pom.xml
+++ b/cache-updater/pom.xml
@@ -58,7 +58,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.45</version>
+			<version>8.0.16</version>
 		</dependency>
 		<dependency>
 			<groupId>net.runelite</groupId>
@@ -68,12 +68,12 @@
 		<dependency>
 			<groupId>org.sql2o</groupId>
 			<artifactId>sql2o</artifactId>
-			<version>1.5.4</version>
+			<version>${sql2o.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>io.minio</groupId>
 			<artifactId>minio</artifactId>
-			<version>3.0.6</version>
+			<version>${minio.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
diff --git a/cache/pom.xml b/cache/pom.xml
index 169f016084..04892a4f3a 100644
--- a/cache/pom.xml
+++ b/cache/pom.xml
@@ -59,7 +59,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-compress</artifactId>
-			<version>1.10</version>
+			<version>1.18</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
@@ -68,7 +68,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-buffer</artifactId>
-			<version>4.1.0.Final</version>
+			<version>${netty.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.antlr</groupId>
@@ -78,7 +78,7 @@
 		<dependency>
 			<groupId>commons-cli</groupId>
 			<artifactId>commons-cli</artifactId>
-			<version>1.3.1</version>
+			<version>1.4</version>
 		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
@@ -89,13 +89,13 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.12</version>
+			<version>${slf4j.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/deobfuscator/pom.xml b/deobfuscator/pom.xml
index 32ffa4c8c8..389472cdb1 100644
--- a/deobfuscator/pom.xml
+++ b/deobfuscator/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.1-jre</version>
+			<version>${guava.version}</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -64,13 +64,13 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>1.7.12</version>
+			<version>${slf4j.version}</version>
 			<scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+			<version>${gson.version}</version>
         </dependency>
         <dependency>
             <groupId>org.ow2.asm</groupId>
@@ -93,13 +93,13 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+			<version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-all</artifactId>
-            <version>1.10.19</version>
+			<version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/http-service/pom.xml b/http-service/pom.xml
index 7435193988..64b43aa8c8 100644
--- a/http-service/pom.xml
+++ b/http-service/pom.xml
@@ -85,13 +85,13 @@
 		<dependency>
 			<groupId>org.mariadb.jdbc</groupId>
 			<artifactId>mariadb-java-client</artifactId>
-			<version>2.2.3</version>
+			<version>2.4.2</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.sql2o</groupId>
 			<artifactId>sql2o</artifactId>
-			<version>1.5.4</version>
+			<version>${sql2o.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.guava</groupId>
@@ -104,17 +104,17 @@
 		<dependency>
 			<groupId>com.github.scribejava</groupId>
 			<artifactId>scribejava-apis</artifactId>
-			<version>4.1.0</version>
+			<version>6.6.3</version>
 		</dependency>
 		<dependency>
 			<groupId>io.minio</groupId>
 			<artifactId>minio</artifactId>
-			<version>3.0.6</version>
+			<version>${minio.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>redis.clients</groupId>
 			<artifactId>jedis</artifactId>
-			<version>2.10.0</version>
+			<version>3.0.1</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.apache.commons</groupId>
@@ -131,7 +131,7 @@
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>mockwebserver</artifactId>
-			<version>3.7.0</version>
+			<version>${okhttp3.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/injector-plugin/pom.xml b/injector-plugin/pom.xml
index 46c1477263..7609116638 100644
--- a/injector-plugin/pom.xml
+++ b/injector-plugin/pom.xml
@@ -63,12 +63,12 @@
 		<dependency>
 			<groupId>org.apache.maven</groupId>
 			<artifactId>maven-plugin-api</artifactId>
-			<version>3.0.5</version>
+			<version>3.6.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.maven.plugin-tools</groupId>
 			<artifactId>maven-plugin-annotations</artifactId>
-			<version>3.4</version>
+			<version>3.6.0</version>
 		</dependency>
 
 		<dependency>
@@ -81,13 +81,13 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.mockito</groupId>
 			<artifactId>mockito-all</artifactId>
-			<version>1.10.19</version>
+			<version>${mockito.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -97,7 +97,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-plugin-plugin</artifactId>
-				<version>3.4</version>
+				<version>3.6.0</version>
 				<executions>
 					<execution>
 						<id>default-descriptor</id>
diff --git a/pom.xml b/pom.xml
index b947feb476..56b90d8a1a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,26 +39,26 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.useIncrementalCompilation>false</maven.compiler.useIncrementalCompilation>
 		<java.version>1.8</java.version>
-		<lombok.version>1.18.4</lombok.version>
-		<checkstyle.version>8.3</checkstyle.version>
+		<lombok.version>1.18.8</lombok.version>
+		<checkstyle.version>8.22</checkstyle.version>
 		<logback.version>1.2.3</logback.version>
 		<gson.version>2.8.5</gson.version>
-		<guava.version>23.2-jre</guava.version>
+		<guava.version>28.0-jre</guava.version>
 		<junit.version>4.12</junit.version>
-		<slf4j.version>1.7.12</slf4j.version>
-		<netty.version>4.1.0.Final</netty.version>
+		<slf4j.version>1.7.26</slf4j.version>
+		<netty.version>4.1.37.Final</netty.version>
 		<mockito.version>1.10.19</mockito.version>
-		<sql2o.version>1.5.4</sql2o.version>
+		<sql2o.version>1.6.0</sql2o.version>
 		<minio.version>3.0.6</minio.version>
 		<okhttp3.version>4.0.0</okhttp3.version>
 		<zlika.reproducible.build.maven.plugin.version>0.7</zlika.reproducible.build.maven.plugin.version>
 
-		<maven.jar.plugin.version>3.0.2</maven.jar.plugin.version>
+		<maven.jar.plugin.version>3.1.2</maven.jar.plugin.version>
 		<maven.compiler.plugin.version>3.8.1</maven.compiler.plugin.version>
-		<maven.checkstyle.plugin.version>2.17</maven.checkstyle.plugin.version>
-		<maven.javadoc.plugin.version>3.1.0</maven.javadoc.plugin.version>
+		<maven.checkstyle.plugin.version>3.1.0</maven.checkstyle.plugin.version>
+		<maven.javadoc.plugin.version>3.1.1</maven.javadoc.plugin.version>
 		<maven.release.plugin.version>2.5.3</maven.release.plugin.version>
-		<maven.surefire-plugin.version>2.18</maven.surefire-plugin.version>
+		<maven.surefire-plugin.version>2.22.2</maven.surefire-plugin.version>
 
 		<maven.javadoc.skip>true</maven.javadoc.skip>
 		<checkstyle.skip>true</checkstyle.skip>
@@ -228,7 +228,7 @@
 			<dependency>
 				<groupId>org.apache.maven.archetype</groupId>
 				<artifactId>archetype-packaging</artifactId>
-				<version>3.0.1</version>
+				<version>3.1.1</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
@@ -303,7 +303,7 @@
 				<configuration>
 					<configLocation>checkstyle.xml</configLocation>
 					<!-- exclude generated sources from checkstyle https://stackoverflow.com/a/30406454/7189686 -->
-						<sourceDirectory>${project.build.sourceDirectory}</sourceDirectory>
+						<sourceDirectories>${project.build.sourceDirectory}</sourceDirectories>
 					<includeTestSourceDirectory>true</includeTestSourceDirectory>
 				</configuration>
 			</plugin>
diff --git a/protocol/pom.xml b/protocol/pom.xml
index 8e504698b7..9099a76c3f 100644
--- a/protocol/pom.xml
+++ b/protocol/pom.xml
@@ -54,7 +54,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.1.0.Final</version>
+			<version>${netty.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
@@ -65,7 +65,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>${junit.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
diff --git a/runelite-api/pom.xml b/runelite-api/pom.xml
index 36f337646e..bf4f654bb7 100644
--- a/runelite-api/pom.xml
+++ b/runelite-api/pom.xml
@@ -48,7 +48,7 @@
 		<dependency>
 			<groupId>com.google.code.findbugs</groupId>
 			<artifactId>jsr305</artifactId>
-			<version>1.3.9</version>
+			<version>3.0.2</version>
 		</dependency>
 
 		<dependency>
diff --git a/runelite-client/pom.xml b/runelite-client/pom.xml
index bf9d9ef83d..b0e0506ab5 100644
--- a/runelite-client/pom.xml
+++ b/runelite-client/pom.xml
@@ -262,7 +262,7 @@
         <dependency>
             <groupId>org.javassist</groupId>
             <artifactId>javassist</artifactId>
-            <version>3.24.1-GA</version>
+            <version>3.25.0-GA</version>
         </dependency>
 		<dependency>
 			<groupId>org.xeustechnologies</groupId>
@@ -287,7 +287,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
-            <version>3.0.21</version>
+            <version>3.2.0</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/runelite-plugin-archetype/pom.xml b/runelite-plugin-archetype/pom.xml
index 15ff5ed7f8..bf278915ec 100644
--- a/runelite-plugin-archetype/pom.xml
+++ b/runelite-plugin-archetype/pom.xml
@@ -59,7 +59,7 @@
 			<extension>
 				<groupId>org.apache.maven.archetype</groupId>
 				<artifactId>archetype-packaging</artifactId>
-				<version>3.0.1</version>
+				<version>3.1.1</version>
 			</extension>
 		</extensions>
 
@@ -67,12 +67,12 @@
 			<plugins>
 				<plugin>
 					<artifactId>maven-archetype-plugin</artifactId>
-					<version>3.0.1</version>
+					<version>3.1.1</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-resources-plugin</artifactId>
-					<version>3.0.2</version>
+					<version>3.1.0</version>
 					<!-- allow escaping variables in filtered
 					resources - https://stackoverflow.com/a/7223084
 					-->
diff --git a/runelite-script-assembler-plugin/pom.xml b/runelite-script-assembler-plugin/pom.xml
index 9639613c77..03dc1fbb50 100644
--- a/runelite-script-assembler-plugin/pom.xml
+++ b/runelite-script-assembler-plugin/pom.xml
@@ -51,12 +51,12 @@
 		<dependency>
 			<groupId>org.apache.maven</groupId>
 			<artifactId>maven-plugin-api</artifactId>
-			<version>3.0.5</version>
+			<version>3.6.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.maven.plugin-tools</groupId>
 			<artifactId>maven-plugin-annotations</artifactId>
-			<version>3.4</version>
+			<version>3.6.0</version>
 		</dependency>
 	</dependencies>
 
diff --git a/runescape-client/pom.xml b/runescape-client/pom.xml
index 611fd54161..aec7c07302 100644
--- a/runescape-client/pom.xml
+++ b/runescape-client/pom.xml
@@ -28,13 +28,13 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
-			<version>1.7.12</version>
+			<version>${slf4j.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.12</version>
+			<version>${slf4j.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>