diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 170cffd8..070bde8d 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -42,7 +42,7 @@ dependencies {
     implementation("org.springdoc:springdoc-openapi-kotlin:1.8.0")
 
     // Serialization
-    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.20.1")
+    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.22.1")
 
     // Postgres Database
     implementation("org.postgresql:postgresql:42.7.12")
@@ -63,13 +63,13 @@ dependencies {
     implementation("dnsjava:dnsjava:3.6.5")
 
     // Packages required by metrics-lib (org.torproject.descriptor in java module) (JavaDoc: https://metrics.torproject.org/metrics-lib/index.html)
-    implementation("commons-codec:commons-codec:1.10")
-    implementation("org.apache.commons:commons-compress:1.13")
-    implementation("com.fasterxml.jackson.core:jackson-annotations:2.12.4")
-    implementation("com.fasterxml.jackson.core:jackson-databind:2.12.4")
-    implementation("com.fasterxml.jackson.core:jackson-core:2.12.4")
+    implementation("commons-codec:commons-codec:1.22.0")
+    implementation("org.apache.commons:commons-compress:1.28.0")
+    implementation("com.fasterxml.jackson.core:jackson-annotations:2.22")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.22.1")
+    implementation("com.fasterxml.jackson.core:jackson-core:2.22.1")
     implementation("org.slf4j:slf4j-api:1.7.36")
-    implementation("org.tukaani:xz:1.6")
+    implementation("org.tukaani:xz:1.12")
 
     // Testing JUnit and Kotest (https://kotest.io/)
     testImplementation("org.springframework.boot:spring-boot-starter-test") {
diff --git a/backend/src/main/java/org/torproject/descriptor/index/IndexNode.java b/backend/src/main/java/org/torproject/descriptor/index/IndexNode.java
index acbb7249..2ffc5f27 100644
--- a/backend/src/main/java/org/torproject/descriptor/index/IndexNode.java
+++ b/backend/src/main/java/org/torproject/descriptor/index/IndexNode.java
@@ -6,7 +6,7 @@
 import com.fasterxml.jackson.annotation.*;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import org.torproject.descriptor.internal.FileType;
 
 import java.io.IOException;
@@ -42,7 +42,7 @@ public class IndexNode {
       new TreeSet<>(), new TreeSet<>());
 
   private static ObjectMapper objectMapper = new ObjectMapper()
-      .setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE)
+      .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
       .setSerializationInclusion(JsonInclude.Include.NON_EMPTY)
       .setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE)
       .setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY)
@@ -187,4 +187,3 @@ public String toString() {
         + ",\nfns: " + files + ",\ndirs: " + directories;
   }
 }
-
diff --git a/backend/src/main/java/org/torproject/descriptor/onionperf/ParsedOnionPerfAnalysis.java b/backend/src/main/java/org/torproject/descriptor/onionperf/ParsedOnionPerfAnalysis.java
index 50c50c90..8c49ff09 100644
--- a/backend/src/main/java/org/torproject/descriptor/onionperf/ParsedOnionPerfAnalysis.java
+++ b/backend/src/main/java/org/torproject/descriptor/onionperf/ParsedOnionPerfAnalysis.java
@@ -8,7 +8,7 @@
 import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 
 import java.io.IOException;
 import java.util.Map;
@@ -25,7 +25,7 @@ public class ParsedOnionPerfAnalysis {
    * of this class.
    */
   private static final ObjectMapper objectMapper = new ObjectMapper()
-      .setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE)
+      .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE)
       .setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE)
       .setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY)
       .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
@@ -543,4 +543,3 @@ static class Stream {
     Double unixTsEnd;
   }
 }
-