diff --git a/gcp/logbook-spring-boot-autoconfigure-gcp/src/main/java/no/entur/logging/cloud/spring/logbook/gcp/LogbookGcpAutoConfiguration.java b/gcp/logbook-spring-boot-autoconfigure-gcp/src/main/java/no/entur/logging/cloud/spring/logbook/gcp/LogbookGcpAutoConfiguration.java
index e7f47480..f1a4e255 100644
--- a/gcp/logbook-spring-boot-autoconfigure-gcp/src/main/java/no/entur/logging/cloud/spring/logbook/gcp/LogbookGcpAutoConfiguration.java
+++ b/gcp/logbook-spring-boot-autoconfigure-gcp/src/main/java/no/entur/logging/cloud/spring/logbook/gcp/LogbookGcpAutoConfiguration.java
@@ -13,9 +13,11 @@ public class LogbookGcpAutoConfiguration {
     @Bean
     public LogbookLoggingCloudProperties logbookCloudConfiguration() {
         LogbookLoggingCloudProperties c = new LogbookLoggingCloudProperties();
-        // subtract a few kb for headers and other wrapping
-        c.setMaxBodySize(131072 - 2 * 1024);
-        c.setMaxSize(131072);
+        // hard limit as of April 2026: 256 KiB - where KiB is 1024 bytes
+        // Body: set it to 224 KiB to be on the safe side,
+        // and to allow for a lot of overhead in the logging framework, MDC, HTTP headers, bytes vs chars, etc.
+        c.setMaxBodySize(229376);
+        c.setMaxSize(262144 - 2 * 1024); // inaccurate + currently not enforced
         return c;
     }
 }
\ No newline at end of file
diff --git a/gcp/request-response-spring-boot-starter-gcp-grpc-ecosystem/src/main/java/no/entur/logging/cloud/gcp/spring/gcp/grpc/ecosystem/RequestResponseGcpGrpcEcosystemAutoConfiguration.java b/gcp/request-response-spring-boot-starter-gcp-grpc-ecosystem/src/main/java/no/entur/logging/cloud/gcp/spring/gcp/grpc/ecosystem/RequestResponseGcpGrpcEcosystemAutoConfiguration.java
index 90470849..927ae45c 100644
--- a/gcp/request-response-spring-boot-starter-gcp-grpc-ecosystem/src/main/java/no/entur/logging/cloud/gcp/spring/gcp/grpc/ecosystem/RequestResponseGcpGrpcEcosystemAutoConfiguration.java
+++ b/gcp/request-response-spring-boot-starter-gcp-grpc-ecosystem/src/main/java/no/entur/logging/cloud/gcp/spring/gcp/grpc/ecosystem/RequestResponseGcpGrpcEcosystemAutoConfiguration.java
@@ -16,9 +16,11 @@ public class RequestResponseGcpGrpcEcosystemAutoConfiguration {
     @Bean
     public GrpcLoggingCloudProperties grpcLoggingCloudProperties() {
         GrpcLoggingCloudProperties c = new GrpcLoggingCloudProperties();
-        // subtract a few kb for headers and other wrapping
-        c.setMaxBodySize(131072 - 2 * 1024);
-        c.setMaxSize(131072);
+        // hard limit as of April 2026: 256 KiB - where KiB is 1024 bytes
+        // Body: set it to 224 KiB to be on the safe side,
+        // and to allow for a lot of overhead in the logging framework, MDC, HTTP headers, bytes vs chars, etc.
+        c.setMaxBodySize(229376);
+        c.setMaxSize(262144 - 2 * 1024); // inaccurate + currently not enforced
         return c;
     }
 }