diff --git a/CHANGES.md b/CHANGES.md
index 8ff420f..1319d0d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # transit-java 1.1
 
+### next
+
+* Update jackson-core version 2.22.1 -> 2.22.4
+
 ### 1.1.406 / 2026-07-24
 
 * Bump dependencies to latest
diff --git a/deps.edn b/deps.edn
index b9e5482..dec6f4e 100644
--- a/deps.edn
+++ b/deps.edn
@@ -1,6 +1,6 @@
 {:paths ["target/classes"]
  :deps
- {com.fasterxml.jackson.core/jackson-core {:mvn/version "2.22.1"}
+ {com.fasterxml.jackson.core/jackson-core {:mvn/version "2.22.4"}
   org.msgpack/msgpack-core {:mvn/version "0.9.12"}
   javax.xml.bind/jaxb-api {:mvn/version "2.4.0-b180830.0359"}}
 
diff --git a/pom.xml b/pom.xml
index 17b3197..e8776fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-core</artifactId>
-      <version>2.22.1</version>
+      <version>2.22.4</version>
     </dependency>
     <dependency>
       <groupId>org.msgpack</groupId>