diff --git a/cache/pom.xml b/cache/pom.xml
index 1481c15c58..332fc85c48 100644
--- a/cache/pom.xml
+++ b/cache/pom.xml
@@ -52,7 +52,6 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>21.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
diff --git a/http-service/pom.xml b/http-service/pom.xml
index 5edea24838..eaf2eb8f37 100644
--- a/http-service/pom.xml
+++ b/http-service/pom.xml
@@ -87,7 +87,6 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>21.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
diff --git a/pom.xml b/pom.xml
index eec128820f..1f97d7ee22 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,6 +118,16 @@
 		<module>runelite-proxy</module>
 	</modules>
 
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>com.google.guava</groupId>
+				<artifactId>guava</artifactId>
+				<version>23.2-jre</version>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
 	<build>
 		<plugins>
 			<plugin>
diff --git a/runelite-client/pom.xml b/runelite-client/pom.xml
index 1db6ab5b10..a2742017d1 100644
--- a/runelite-client/pom.xml
+++ b/runelite-client/pom.xml
@@ -61,7 +61,6 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>21.0</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
diff --git a/runelite-proxy/pom.xml b/runelite-proxy/pom.xml
index 22f80f1e38..69220d167b 100644
--- a/runelite-proxy/pom.xml
+++ b/runelite-proxy/pom.xml
@@ -56,7 +56,6 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>21.0</version>
 		</dependency>
 
 		<dependency>