diff --git a/filtermail/CHANGELOG.md b/filtermail/CHANGELOG.md
index 56fd6962..1e5d38ef 100644
--- a/filtermail/CHANGELOG.md
+++ b/filtermail/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 0.6.3 - 2026-04-20
+
+### Features
+
+- *(smtp-server)* Log malformed SMTP commands (#118)
+
+### Performance
+
+- *(smtp-client)* Cache connections (#117)
 ## 0.6.2 - 2026-04-16
 
 ### Documentation
diff --git a/filtermail/Cargo.lock b/filtermail/Cargo.lock
index 67b60c58..6ef1ca7b 100644
--- a/filtermail/Cargo.lock
+++ b/filtermail/Cargo.lock
@@ -456,7 +456,7 @@ checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
 [[package]]
 name = "filtermail"
-version = "0.6.2"
+version = "0.6.3"
 dependencies = [
  "async-trait",
  "base64",
diff --git a/filtermail/Cargo.toml b/filtermail/Cargo.toml
index be87f3af..997ebb9c 100644
--- a/filtermail/Cargo.toml
+++ b/filtermail/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "filtermail"
-version = "0.6.2"
+version = "0.6.3"
 edition = "2024"
 license = "MIT"
 readme = "README.md"