diff --git a/changelog.md b/changelog.md
index 9706aee..6c52916 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 2026-02-10 - 1.3.1 - fix(deps)
+add workspace dependency entries for multiple crates across mailer-bin, mailer-core, and mailer-security
+
+- rust/crates/mailer-bin/Cargo.toml: add clap.workspace = true
+- rust/crates/mailer-core/Cargo.toml: add regex.workspace = true, base64.workspace = true, uuid.workspace = true
+- rust/crates/mailer-security/Cargo.toml: add serde_json.workspace = true, tokio.workspace = true, hickory-resolver.workspace = true, ipnet.workspace = true, rustls-pki-types.workspace = true, psl.workspace = true
+- Purpose: align and enable workspace-managed dependencies for the affected crates
+
 ## 2026-02-10 - 1.3.0 - feat(mail/delivery)
 add error-count based blocking to rate limiter; improve test SMTP server port selection; add tsbuild scripts and devDependency; remove stale backup file
 
diff --git a/rust/crates/mailer-bin/Cargo.toml b/rust/crates/mailer-bin/Cargo.toml
index 34a3cea..b80f410 100644
--- a/rust/crates/mailer-bin/Cargo.toml
+++ b/rust/crates/mailer-bin/Cargo.toml
@@ -16,3 +16,4 @@ tokio.workspace = true
 tracing.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+clap.workspace = true
diff --git a/rust/crates/mailer-core/Cargo.toml b/rust/crates/mailer-core/Cargo.toml
index 6ae744f..c0d3751 100644
--- a/rust/crates/mailer-core/Cargo.toml
+++ b/rust/crates/mailer-core/Cargo.toml
@@ -11,3 +11,6 @@ thiserror.workspace = true
 tracing.workspace = true
 bytes.workspace = true
 mailparse.workspace = true
+regex.workspace = true
+base64.workspace = true
+uuid.workspace = true
diff --git a/rust/crates/mailer-security/Cargo.toml b/rust/crates/mailer-security/Cargo.toml
index a2904d2..385a3b9 100644
--- a/rust/crates/mailer-security/Cargo.toml
+++ b/rust/crates/mailer-security/Cargo.toml
@@ -11,3 +11,9 @@ ring.workspace = true
 thiserror.workspace = true
 tracing.workspace = true
 serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+hickory-resolver.workspace = true
+ipnet.workspace = true
+rustls-pki-types.workspace = true
+psl.workspace = true
diff --git a/rust/crates/mailer-smtp/Cargo.toml b/rust/crates/mailer-smtp/Cargo.toml
index 5357369..2e37751 100644
--- a/rust/crates/mailer-smtp/Cargo.toml
+++ b/rust/crates/mailer-smtp/Cargo.toml
@@ -8,7 +8,7 @@ license.workspace = true
 mailer-core = { path = "../mailer-core" }
 tokio.workspace = true
 tokio-rustls.workspace = true
-hickory-dns.workspace = true
+hickory-resolver.workspace = true
 dashmap.workspace = true
 thiserror.workspace = true
 tracing.workspace = true
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 52461c3..59c377f 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/mailer',
-  version: '1.3.0',
+  version: '1.3.1',
   description: 'Enterprise mail server with SMTP, HTTP API, and DNS management - built for serve.zone infrastructure'
 }