--- a/Makefile.am
+++ b/Makefile.am
@@ -242,12 +242,12 @@ pkginclude_HEADERS = \
 if USING_BDJAVA_BUILD_JAR
 
 if USING_JAVAC_12
-java_versions = -Djava_version_asm=1.7 -Djava_version_bdj=1.7
+java_versions = -Djava_version_asm=1.8 -Djava_version_bdj=1.8
 else
 if USING_JAVAC_9
-java_versions = -Djava_version_asm=1.6 -Djava_version_bdj=1.6
+java_versions = -Djava_version_asm=1.8 -Djava_version_bdj=1.8
 else
-java_versions = -Djava_version_asm=1.5 -Djava_version_bdj=1.4
+java_versions = -Djava_version_asm=1.8 -Djava_version_bdj=1.8
 endif
 endif