diff --git a/build.gradle b/build.gradle
index ea462d43e..5daa4071a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -49,9 +49,9 @@ subprojects {
         api 'com.carrotsearch.thirdparty:simple-xml-safe:2.7.1'
         api 'com.google.guava:guava:33.7.1-jre'
         api 'com.squareup.okhttp3:okhttp:5.5.0'
-        api 'com.fasterxml.jackson.core:jackson-annotations:2.22'
-        api 'com.fasterxml.jackson.core:jackson-core:2.22.2'
-        api 'com.fasterxml.jackson.core:jackson-databind:2.22.2'
+        api 'com.fasterxml.jackson.core:jackson-annotations:2.21'
+        api 'com.fasterxml.jackson.core:jackson-core:2.21.6'
+        api 'com.fasterxml.jackson.core:jackson-databind:2.21.6'
         api 'org.bouncycastle:bcprov-jdk18on:1.85.2'
         api 'org.apache.commons:commons-compress:1.28.0'
         api 'commons-codec:commons-codec:1.22.1'
@@ -265,7 +265,7 @@ project(':adminapi') {
 
     dependencies {
         api project(':api')
-        api 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.22.2'
+        api 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.21.6'
         testImplementation project(':api')
     }