diff --git a/ptt.opam b/ptt.opam
index b895ec0..129419c 100644
--- a/ptt.opam
+++ b/ptt.opam
@@ -15,10 +15,10 @@ depends: [
   "dune"
   "mrmime"
   "digestif"
-  "colombe"           {>= "0.9.0"}
+  "colombe"           {>= "0.11.0"}
   "received"          {>= "0.5.1"}
-  "sendmail"          {>= "0.7.0"}
-  "sendmail-lwt"      {>= "0.6.0"}
+  "sendmail"          {>= "0.11.0"}
+  "sendmail-lwt"      {>= "0.11.0"}
   "sendmail-mirage"
   "mimic"
   "domain-name"
@@ -56,11 +56,4 @@ pin-depends: [
   [ "spamtacus-bayesian.dev" "git+https://github.com/mirage/spamtacus.git#2d10c6f114e63621bb26999fefd7881f3e673bad" ]
   [ "spamtacus.dev"          "git+https://github.com/mirage/spamtacus.git#2d10c6f114e63621bb26999fefd7881f3e673bad" ]
   [ "spamtacus-mirage.dev"   "git+https://github.com/mirage/spamtacus.git#2d10c6f114e63621bb26999fefd7881f3e673bad" ]
-  [ "uspf.dev"               "git+https://github.com/mirage/uspf.git#5bbdbbaebd533278d82055ef9bfcf5c0d13dd50d" ]
-  [ "uspf-lwt.dev"           "git+https://github.com/mirage/uspf.git#5bbdbbaebd533278d82055ef9bfcf5c0d13dd50d" ]
-  [ "uspf-mirage.dev"        "git+https://github.com/mirage/uspf.git#5bbdbbaebd533278d82055ef9bfcf5c0d13dd50d" ]
-  [ "colombe.dev"            "git+https://github.com/mirage/colombe.git#ad3055263b1ac7ea4bc5d41f76450296d7c9ef73" ]
-  [ "sendmail.dev"           "git+https://github.com/mirage/colombe.git#ad3055263b1ac7ea4bc5d41f76450296d7c9ef73" ]
-  [ "sendmail-lwt.dev"       "git+https://github.com/mirage/colombe.git#ad3055263b1ac7ea4bc5d41f76450296d7c9ef73" ]
-  [ "sendmail-mirage.dev"    "git+https://github.com/mirage/colombe.git#ad3055263b1ac7ea4bc5d41f76450296d7c9ef73" ]
 ]