diff --git a/pkgs/development/libraries/mbedtls/default.nix b/pkgs/development/libraries/mbedtls/default.nix
index 1b0c1186f28..ae8ff907f25 100644
--- a/pkgs/development/libraries/mbedtls/default.nix
+++ b/pkgs/development/libraries/mbedtls/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, perl }:
 
 stdenv.mkDerivation rec {
-  name = "mbedtls-1.3.10";
+  name = "mbedtls-1.3.11";
 
   src = fetchurl {
     url = "https://polarssl.org/download/${name}-gpl.tgz";
-    sha256 = "0zj0vdmam52hk7c6s3y81bdb4mqawi9fskkcqlgnj8v61j7dhvvl";
+    sha256 = "1js1lk6hvw9l3nhjhnhzfazfbnlcmk229hmnlm7jli3agc1979b7";
   };
 
   nativeBuildInputs = [ perl ];