diff --git a/etc/versions b/etc/versions
index e578ca1836f462ef6161afe22e1cdb38ff1b9bc1..919f920d790fa7ad184a2f4550cac9dc336856c8 100644
--- a/etc/versions
+++ b/etc/versions
@@ -1,4 +1,4 @@
-Artemis Release 11.6.3
-ACT Release 8.6.3
+Artemis Release 11.6.4
+ACT Release 8.6.4
 DNAPlotter Release 1.3
 BamView 1.02