diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index dd2f3a413b9..4d278c0366d 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -637,6 +637,10 @@ bom {
 		}
 	}
 	library("Jaybird", "5.0.5.java11") {
+		prohibit {
+			endsWith ".java8"
+			because "we use the .java11 version"
+		}
 		group("org.firebirdsql.jdbc") {
 			modules = [
 				"jaybird"