diff --git a/_data/validator-libraries-modern.yml b/_data/validator-libraries-modern.yml
index ec1a67e7..6c7c3acf 100644
--- a/_data/validator-libraries-modern.yml
+++ b/_data/validator-libraries-modern.yml
@@ -9,6 +9,13 @@
       url: https://github.com/gregsdennis/Manatee.Json
       draft: [7, 6, 4]
       license: MIT
+- name: C
+  implementations:
+    - name: WJElement
+      url: https://github.com/netmail-open/wjelement
+      draft: [4, 3]
+      license: LGPL-3.0
+      notes: "Draft-06+ progress: issue [17](https://github.com/netmail-open/wjelement/issues/17#issuecomment-390899432)"
 - name: Elixir
   implementations:
     - name: Elixir JSON Schema validator
diff --git a/_data/validator-libraries-obsolete.yml b/_data/validator-libraries-obsolete.yml
index ec1f0f2c..0d19362e 100644
--- a/_data/validator-libraries-obsolete.yml
+++ b/_data/validator-libraries-obsolete.yml
@@ -6,13 +6,6 @@
       notes:
       draft: [4]
       license: Ms-PL
-- name: C
-  implementations:
-    - name: WJElement
-      url: https://github.com/netmail-open/wjelement
-      notes: "partial draft-04 support"
-      draft: [3]
-      license: "LGPLv3"
 - name: C++
   anchor-name: cpp
   implementations: