diff --git a/pom.xml b/pom.xml
index eba37c6c..98bb8e11 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,7 +72,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>${log4j.version}</version>
+            <version>2.17.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -84,22 +84,22 @@
         <dependency>
             <groupId>com.yahoo.bullet</groupId>
             <artifactId>bullet-record</artifactId>
-            <version>${bullet.record.version}</version>
+            <version>1.2.2</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>${slf4jj.version}</version>
+            <version>1.7.32</version>
         </dependency>
         <dependency>
             <groupId>com.yahoo.datasketches</groupId>
             <artifactId>sketches-core</artifactId>
-            <version>${sketches.version}</version>
+            <version>0.9.1</version>
         </dependency>
         <dependency>
             <groupId>net.sf.jopt-simple</groupId>
             <artifactId>jopt-simple</artifactId>
-            <version>4.6</version>
+            <version>4.9</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -114,17 +114,17 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.7</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.25</version>
+            <version>2.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.9</version>
+            <version>4.5.13</version>
         </dependency>
     </dependencies>