diff --git a/pkgs/development/ocaml-modules/tls/default.nix b/pkgs/development/ocaml-modules/tls/default.nix
index 9fc0656be162..7953e817e245 100644
--- a/pkgs/development/ocaml-modules/tls/default.nix
+++ b/pkgs/development/ocaml-modules/tls/default.nix
@@ -1,16 +1,16 @@
 { lib, fetchurl, buildDunePackage
-, domain-name, fmt, logs, hkdf, mirage-crypto, mirage-crypto-ec, mirage-crypto-pk, mirage-crypto-rng, ptime, x509
+, domain-name, fmt, logs, kdf, mirage-crypto, mirage-crypto-ec, mirage-crypto-pk, mirage-crypto-rng, x509
 , ipaddr
 , alcotest, ounit2
 }:
 
 buildDunePackage rec {
   pname = "tls";
-  version = "1.0.1";
+  version = "1.0.2";
 
   src = fetchurl {
     url = "https://github.com/mirleft/ocaml-tls/releases/download/v${version}/tls-${version}.tbz";
-    hash = "sha256-2uS1/8gD6ILphIBCWP+KrKe4N9hVbeaEABldpccKjYM=";
+    hash = "sha256-ohdRIAyzFG/+FUf11t4Ye1FH6O5r7RKwnVLAAtQrP+s=";
   };
 
   minimalOCamlVersion = "4.08";
@@ -19,12 +19,11 @@ buildDunePackage rec {
     domain-name
     fmt
     logs
-    hkdf
+    kdf
     mirage-crypto
     mirage-crypto-ec
     mirage-crypto-pk
     mirage-crypto-rng
-    ptime
     x509
     ipaddr
   ];