diff --git a/Changelog.md b/Changelog.md
index a78b29f41..a86b6d58b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,4 +1,4 @@
-### 0.8.21 (unreleased)
+### 0.8.21 (2023-07-19)
 
 Important Bugfixes:
  * Code Generator: Always generate code for the expression in ``<expression>.selector`` in the legacy code generation pipeline.
diff --git a/docs/bugs_by_version.json b/docs/bugs_by_version.json
index 43d5af799..d15c72a65 100644
--- a/docs/bugs_by_version.json
+++ b/docs/bugs_by_version.json
@@ -1859,6 +1859,10 @@
         ],
         "released": "2023-05-10"
     },
+    "0.8.21": {
+        "bugs": [],
+        "released": "2023-07-19"
+    },
     "0.8.3": {
         "bugs": [
             "FullInlinerNonExpressionSplitArgumentEvaluationOrder",