diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Req 3.13.3
+
+* Works with `crypton-connection-0.4` and newer.
+
 ## Req 3.13.2
 
 * Disable the problematic `httpbin-tests` test suite by default. Only enable
diff --git a/Network/HTTP/Req.hs b/Network/HTTP/Req.hs
--- a/Network/HTTP/Req.hs
+++ b/Network/HTTP/Req.hs
@@ -236,6 +236,7 @@
 import Data.ByteString.Lazy qualified as BL
 import Data.CaseInsensitive qualified as CI
 import Data.Data (Data)
+import Data.Default.Class (def)
 import Data.Function (on)
 import Data.IORef
 import Data.Kind (Constraint, Type)
@@ -606,7 +607,7 @@
   let settings =
         L.mkManagerSettingsContext
           (Just context)
-          (NC.TLSSettingsSimple False False False)
+          (NC.TLSSettingsSimple False False False def)
           Nothing
   manager <- L.newManager settings
   newIORef manager
diff --git a/req.cabal b/req.cabal
--- a/req.cabal
+++ b/req.cabal
@@ -1,6 +1,6 @@
 cabal-version:   2.4
 name:            req
-version:         3.13.2
+version:         3.13.3
 license:         BSD-3-Clause
 license-file:    LICENSE.md
 maintainer:      Mark Karpov <markkarpov92@gmail.com>
@@ -40,7 +40,8 @@
         bytestring >=0.10.8 && <0.13,
         case-insensitive >=0.2 && <1.3,
         containers >=0.5 && <0.7,
-        crypton-connection >=0.2.2 && <0.4,
+        crypton-connection >=0.4 && <0.5,
+        data-default-class,
         exceptions >=0.6 && <0.11,
         http-api-data >=0.2 && <0.7,
         http-client >=0.7.13.1 && <0.8,