diff --git a/build.gradle b/build.gradle
index e56089a891f96366e791474d5b0326423c450b2a..f595ed1cb2388482522029405b4f65cdd7024647 100644
--- a/build.gradle
+++ b/build.gradle
@@ -52,9 +52,9 @@ dependencies {
     testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: "${jupyter_version}"
     implementation group: 'io.javalin', name: 'javalin', version: "${javalin_version}"
     implementation group: 'org.json', name: 'json', version: '20220320'
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.13.3'
-    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.13.3'
-    implementation group: 'com.fasterxml.jackson.dataformat', name: 'jackson-dataformat-yaml', version: '2.13.3'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.13.4'
+    implementation group: 'com.fasterxml.jackson.core', name: 'jackson-core', version: '2.13.4'
+    implementation group: 'com.fasterxml.jackson.dataformat', name: 'jackson-dataformat-yaml', version: '2.13.4'
     implementation group: 'org.slf4j', name: 'slf4j-simple', version: '1.7.31'
     ragconnect group: 'de.tudresden.inf.st', name: 'ragconnect', version: '1.0.0'
     jastadd2 "org.jastadd:jastadd2:2.3.5-dresden-6"
diff --git a/gradle.properties b/gradle.properties
index 8563543462f5f10a6873d6e4d8890b2ae5dd57ab..916cdfcd2052bbcb85013eb1525265c1b224f3d5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,6 +4,6 @@ jupyter_version = 5.8.2
 assertj_version = 3.22.0
 grammar2uml_version = 0.2.5-21
 jastaddgradle_version = 1.14.5
-javalin_version = 4.6.3
+javalin_version = 4.6.4
 protobuf_version = 4.0.0-rc-2
 protobuf_plugin_version = 0.8.18