diff --git a/build-constraints.yaml b/build-constraints.yaml
index df7c9258..27de6e90 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2853,7 +2853,6 @@ packages:
         - monad-metrics
         - prairie
         - ekg-cloudwatch < 0 # 0.0.1.6 fails to compile we amazonka 2.0
-        - smtp-mail
         - liboath-hs
         - servant-quickcheck
         - esqueleto
@@ -2982,6 +2981,7 @@ packages:
         - tasty-focus
 
     "Spencer Janssen <spencerjanssen@gmail.com> @spencerjanssen":
+        - smtp-mail
         - Xauth
 
     "Sebastian de Bellefon <arnaudpourseb@gmail.com> @Helkafen":
@@ -8002,7 +8002,6 @@ packages:
         - smoothie < 0 # tried smoothie-0.4.2.11, but its *library* requires linear >=1.16 && < 1.22 and the snapshot contains linear-1.22
         - smoothie < 0 # tried smoothie-0.4.2.11, but its *library* requires text >=1.2 && < 1.3 and the snapshot contains text-2.1.1
         - smoothie < 0 # tried smoothie-0.4.2.11, but its *library* requires vector >=0.10 && < 0.13 and the snapshot contains vector-0.13.1.0
-        - smtp-mail < 0 # tried smtp-mail-0.3.0.0, but its *library* requires the disabled package: connection
         - soap < 0 # tried soap-0.2.3.6, but its *library* requires bytestring >=0.10.6 && < 0.12 and the snapshot contains bytestring-0.12.1.0
         - soap < 0 # tried soap-0.2.3.6, but its *library* requires text >=1.2.2.1 && < 2.1 and the snapshot contains text-2.1.1
         - soap-openssl < 0 # tried soap-openssl-0.1.0.2, but its *library* requires text >=1.2.2.1 && < 2.1 and the snapshot contains text-2.1.1