diff --git a/simplexmq.cabal b/simplexmq.cabal
index 5e436f8db..b1932ffaf 100644
--- a/simplexmq.cabal
+++ b/simplexmq.cabal
@@ -319,7 +319,7 @@ library
     , stm ==2.5.*
     , time ==1.12.*
     , time-manager ==0.0.*
-    , tls ==2.1.8.*
+    , tls ==2.1.6.*
     , transformers ==0.6.*
     , unliftio ==0.2.*
     , unliftio-core ==0.2.*
diff --git a/src/Simplex/Messaging/Transport.hs b/src/Simplex/Messaging/Transport.hs
index 1c00ec261..a95b68280 100644
--- a/src/Simplex/Messaging/Transport.hs
+++ b/src/Simplex/Messaging/Transport.hs
@@ -387,8 +387,8 @@ defaultSupportedParams =
   def
     { T.supportedVersions = [T.TLS13, T.TLS12],
       T.supportedCiphers =
-        [ TE.cipher13_CHACHA20_POLY1305_SHA256, -- for TLS13
-          TE.cipher_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 -- for TLS12
+        [ TE.cipher_TLS13_CHACHA20POLY1305_SHA256, -- for TLS13
+          TE.cipher_ECDHE_ECDSA_CHACHA20POLY1305_SHA256 -- for TLS12
         ],
       T.supportedHashSignatures = [(T.HashIntrinsic, T.SignatureEd448), (T.HashIntrinsic, T.SignatureEd25519)],
       T.supportedGroups = [T.X448, T.X25519],