diff --git a/synapse-core/build.gradle b/synapse-core/build.gradle
index 178fde39e..3b7664ac4 100644
--- a/synapse-core/build.gradle
+++ b/synapse-core/build.gradle
@@ -12,7 +12,7 @@ dependencies {
     api "org.springframework.boot:spring-boot"
     api "org.springframework.boot:spring-boot-autoconfigure"
 
-    implementation(platform("net.openhft:chronicle-bom:2.25ea53"))
+    implementation(platform("net.openhft:chronicle-bom:2.26ea33"))
     implementation "jakarta.annotation:jakarta.annotation-api:3.0.0"
 
     // This dependency is used internally, and not exposed to consumers on their own compile classpath.
diff --git a/synapse-core/src/main/java/de/otto/synapse/state/ChronicleMapBytesMarshaller.java b/synapse-core/src/main/java/de/otto/synapse/state/ChronicleMapBytesMarshaller.java
index 84f27d5ef..d4adac205 100644
--- a/synapse-core/src/main/java/de/otto/synapse/state/ChronicleMapBytesMarshaller.java
+++ b/synapse-core/src/main/java/de/otto/synapse/state/ChronicleMapBytesMarshaller.java
@@ -30,7 +30,7 @@ public ChronicleMapBytesMarshaller(ObjectMapper objectMapper,
     }
 
     @Override
-    public V read(Bytes in, V using) {
+    public V read(Bytes<?> in, V using) {
         try {
             return objectMapper.readValue(in.inputStream(), clazz);
         } catch (IOException e) {
@@ -39,7 +39,7 @@ public V read(Bytes in, V using) {
     }
 
     @Override
-    public void write(Bytes out, V toWrite) {
+    public void write(Bytes<?> out, V toWrite) {
         try {
             objectMapper.writeValue(out.writer(), toWrite);
         } catch (IOException e) {
diff --git a/synapse-testsupport/build.gradle b/synapse-testsupport/build.gradle
index 05624b605..f23e137a2 100644
--- a/synapse-testsupport/build.gradle
+++ b/synapse-testsupport/build.gradle
@@ -13,7 +13,7 @@ dependencies {
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310"
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jdk8"
 
-    implementation(platform("net.openhft:chronicle-bom:2.25ea53"))
+    implementation(platform("net.openhft:chronicle-bom:2.26ea33"))
     implementation("net.openhft:chronicle-map") {
         exclude group: "com.intellij", module: "annotations"
     }