diff --git a/pom.xml b/pom.xml
index e0d79a9..ae60e98 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,9 +18,9 @@
 
   <properties>
     <java.version>1.8</java.version>
-    <scala.version>2.12.18</scala.version>
+    <scala.version>2.12.20</scala.version>
     <scala.version.prefix>2.12</scala.version.prefix>
-    <spark.version>3.3.4</spark.version>
+    <spark.version>3.5.5</spark.version>
     <parquet.version>1.12.3</parquet.version>
     <scoverage.plugin.version>1.4.1</scoverage.plugin.version>
     <grizzled-slf4j.version>1.3.4</grizzled-slf4j.version>
@@ -281,7 +281,7 @@
       <dependency>
         <groupId>com.thoughtworks.paranamer</groupId>
         <artifactId>paranamer</artifactId>
-        <version>2.8</version>
+        <version>2.8</version> <!-- pin at 2.8, 2.8.1 fails unit tests -->
       </dependency>
       <dependency>
         <groupId>org.clapper</groupId>
@@ -308,7 +308,7 @@
      <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>33.0.0-jre</version>
+        <version>33.4.0-jre</version>
      </dependency>
      <dependency>
         <groupId>com.netflix.servo</groupId>
@@ -362,7 +362,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>3.12.1</version>
+        <version>5.15.2</version>
         <scope>test</scope>
       </dependency>
       <dependency>
@@ -379,7 +379,7 @@
       <dependency>
         <groupId>args4j</groupId>
         <artifactId>args4j</artifactId>
-        <version>2.33</version>
+        <version>2.37</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>