diff --git a/.changeset/loose-bikes-flow.md b/.changeset/loose-bikes-flow.md
new file mode 100644
index 00000000000..fc6063f6616
--- /dev/null
+++ b/.changeset/loose-bikes-flow.md
@@ -0,0 +1,5 @@
+---
+'hive': patch
+---
+
+Force `base64` encoding for email text encoding with the SMTP provider.
diff --git a/packages/services/workflows/src/lib/emails/providers.ts b/packages/services/workflows/src/lib/emails/providers.ts
index 66a04194425..52dbbee5dc3 100644
--- a/packages/services/workflows/src/lib/emails/providers.ts
+++ b/packages/services/workflows/src/lib/emails/providers.ts
@@ -134,6 +134,7 @@ function smtp(config: SMTPEmailProviderConfig, emailFrom: string) {
         to: email.to,
         subject: email.subject,
         html: email.body,
+        textEncoding: 'base64',
       });
     },
     history: [],