diff --git a/build.gradle b/build.gradle
index 74c12f80e..5ea97143e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ allprojects {
 
     ext {
         nanojsonVersion = "1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751"
-        spotbugsVersion = "4.7.2"
+        spotbugsVersion = "4.7.3"
         junitVersion = "5.9.1"
         checkstyleVersion = "9.3" // do not use latest version (10.0) as it requires compile JDK 11
     }