diff --git a/.ecj.metadata b/.ecj.metadata
new file mode 100644
index 0000000..67fa920
--- /dev/null
+++ b/.ecj.metadata
@@ -0,0 +1,2 @@
+8750b8effb40f0fbab79fd529ba82088e7b59931 ecjsrc-4.11RC1.jar
+fa5c42a17e84d7d635022d3d346d20f63c09bb15 java10api.jar
diff --git a/sources b/sources
index 945dc04..49c3d1b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA1 (ecjsrc-4.11RC1.jar) = 8750b8effb40f0fbab79fd529ba82088e7b59931
-SHA1 (java10api.jar) = fa5c42a17e84d7d635022d3d346d20f63c09bb15
+SHA512 (ecjsrc-4.11RC1.jar) = d996f69fb860e6fc15ba87bc8b4e129820ce0535427f42e494cfeeafcb265e2faaeae507a3294ce016a28ecf8b0f5927a8bae8b7c77ea103787db59009a95458
+SHA512 (java10api.jar) = b92faee6a4f7ab3d631e93ed99fffb101035bf7c0dd632dd5322c9e0d2848eeda496d6cf4d28122c88173fb7fcacc77ce40f2822e923903cec47114c9a25c242