diff --git a/src/fmt/track_config.nim b/src/fmt/track_config.nim
index 4c3bfe50..23721b35 100644
--- a/src/fmt/track_config.nim
+++ b/src/fmt/track_config.nim
@@ -121,6 +121,20 @@ func addKeyFeatures(result: var string; val: KeyFeatures; indentLevel = 1) =
   result.addNewlineAndIndent(indentLevel)
   result.add "],"
 
+func addConceptTags(result: var string; val: ConceptTags; indentLevel = 2) =
+  result.addNewlineAndIndent(indentLevel)
+  escapeJson("tags", result)
+  result.add ": {"
+  if val.all.len > 0:
+    result.addArray("all", val.all, indentLevel + 1)
+  if val.`any`.len > 0:
+    result.addArray("any", val.`any`, indentLevel + 1)
+  if val.`not`.len > 0:
+    result.addArray("not", val.`not`, indentLevel + 1)
+  result.removeComma()
+  result.addNewlineAndIndent(indentLevel)
+  result.add "},"
+
 func addConcept(result: var string; val: Concept; indentLevel = 1) =
   ## Appends the pretty-printed JSON for a `concept` object with value `val` to
   ## `result`.
@@ -129,6 +143,10 @@ func addConcept(result: var string; val: Concept; indentLevel = 1) =
   result.addString("uuid", val.uuid, indentLevel + 1)
   result.addString("slug", val.slug, indentLevel + 1)
   result.addString("name", val.name, indentLevel + 1)
+  if val.tags.isSome():
+    let tags = val.tags.get()
+    if tags.all.len + tags.`any`.len + tags.`not`.len > 0:
+      result.addConceptTags(tags, indentLevel + 1)
   result.removeComma()
   result.addNewlineAndIndent(indentLevel)
   result.add "},"
diff --git a/src/types_track_config.nim b/src/types_track_config.nim
index 0011373e..9eb92f4b 100644
--- a/src/types_track_config.nim
+++ b/src/types_track_config.nim
@@ -78,10 +78,16 @@ type
     indentSize*: int
     highlightjsLanguage*: string
 
+  ConceptTags* = object
+    all*: seq[string]
+    `any`*: seq[string]
+    `not`*: seq[string]
+
   Concept* = object
     name*: string
     slug*: string
     uuid*: string
+    tags*: Option[ConceptTags]
 
   Concepts* = seq[Concept]