diff --git a/build.gradle b/build.gradle
index e7aec6c5..114a99c6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ plugins {
 ext.versions = [
     checkerFramework: "3.12.0",
     autoValue       : "1.6.5",
-    lombok          : "1.18.20",
+    lombok          : "1.18.26",
 ]
 
 subprojects { project ->
diff --git a/test-lib-java/build.gradle b/test-lib-java/build.gradle
index 15d3db8a..b1ac4576 100644
--- a/test-lib-java/build.gradle
+++ b/test-lib-java/build.gradle
@@ -3,8 +3,8 @@ plugins {
 }
 
 dependencies {
-    compileOnly 'org.projectlombok:lombok:1.18.20'
-    annotationProcessor 'org.projectlombok:lombok:1.18.18'
+    compileOnly 'org.projectlombok:lombok:1.18.26'
+    annotationProcessor 'org.projectlombok:lombok:1.18.26'
 
     implementation 'com.google.auto.value:auto-value-annotations:1.6.5'
     annotationProcessor 'com.google.auto.value:auto-value:1.6.5'