diff --git a/SimpleTraits/versions/0.5.1/requires b/SimpleTraits/versions/0.5.1/requires
new file mode 100644
index 00000000000..c590796cd0c
--- /dev/null
+++ b/SimpleTraits/versions/0.5.1/requires
@@ -0,0 +1,3 @@
+julia 0.5
+MacroTools 0.3.2
+Compat 0.19
diff --git a/SimpleTraits/versions/0.5.1/sha1 b/SimpleTraits/versions/0.5.1/sha1
new file mode 100644
index 00000000000..916dff4ffaf
--- /dev/null
+++ b/SimpleTraits/versions/0.5.1/sha1
@@ -0,0 +1 @@
+e2c5572557a5f4b995ce6c29547e4589a2d4d536