diff --git a/pkgs/development/libraries/aws-c-event-stream/default.nix b/pkgs/development/libraries/aws-c-event-stream/default.nix
index 4cfabc77bb2cfef..18dddee6bde8f44 100644
--- a/pkgs/development/libraries/aws-c-event-stream/default.nix
+++ b/pkgs/development/libraries/aws-c-event-stream/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, aws-c-cal, aws-c-common, aws-c-io, aws-checksums, s2n, libexecinfo }:
+{ lib, stdenv, fetchFromGitHub, cmake, aws-c-cal, aws-c-common, aws-c-io, aws-checksums, s2n-tls, libexecinfo }:
 
 stdenv.mkDerivation rec {
   pname = "aws-c-event-stream";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ aws-c-cal aws-c-common aws-c-io aws-checksums s2n ]
+  buildInputs = [ aws-c-cal aws-c-common aws-c-io aws-checksums s2n-tls ]
     ++ lib.optional stdenv.hostPlatform.isMusl libexecinfo;
 
   cmakeFlags = [
diff --git a/pkgs/development/libraries/aws-c-io/default.nix b/pkgs/development/libraries/aws-c-io/default.nix
index 9c7fcf11af83449..373ea66a4b63269 100644
--- a/pkgs/development/libraries/aws-c-io/default.nix
+++ b/pkgs/development/libraries/aws-c-io/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, aws-c-cal, aws-c-common, s2n, Security }:
+{ lib, stdenv, fetchFromGitHub, cmake, aws-c-cal, aws-c-common, s2n-tls, Security }:
 
 stdenv.mkDerivation rec {
   pname = "aws-c-io";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  buildInputs = [ aws-c-cal aws-c-common s2n] ++ lib.optionals stdenv.isDarwin [ Security ];
+  buildInputs = [ aws-c-cal aws-c-common s2n-tls] ++ lib.optionals stdenv.isDarwin [ Security ];
 
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
diff --git a/pkgs/development/libraries/aws-sdk-cpp/default.nix b/pkgs/development/libraries/aws-sdk-cpp/default.nix
index 7b10fc463dd12d5..d6fbb97014d787e 100644
--- a/pkgs/development/libraries/aws-sdk-cpp/default.nix
+++ b/pkgs/development/libraries/aws-sdk-cpp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, curl, openssl, s2n, zlib
+{ lib, stdenv, fetchFromGitHub, cmake, curl, openssl, s2n-tls, zlib
 , aws-c-cal, aws-c-common, aws-c-event-stream, aws-c-io, aws-checksums
 , CoreAudio, AudioToolbox
 , # Allow building a limited set of APIs, e.g. ["s3" "ec2"].
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake curl ];
 
   buildInputs = [
-    curl openssl s2n zlib
+    curl openssl s2n-tls zlib
     aws-c-cal aws-c-common aws-c-event-stream aws-c-io aws-checksums
   ] ++ lib.optionals (stdenv.isDarwin &&
                         ((builtins.elem "text-to-speech" apis) ||
diff --git a/pkgs/development/libraries/s2n/default.nix b/pkgs/development/libraries/s2n-tls/default.nix
similarity index 74%
rename from pkgs/development/libraries/s2n/default.nix
rename to pkgs/development/libraries/s2n-tls/default.nix
index 3ec66ebf52d16a1..2d3ebc6cb414333 100644
--- a/pkgs/development/libraries/s2n/default.nix
+++ b/pkgs/development/libraries/s2n-tls/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchFromGitHub, cmake, openssl }:
 
 stdenv.mkDerivation rec {
-  pname = "s2n";
-  version = "0.10.23";
+  pname = "s2n-tls";
+  version = "1.0.0";
 
   src = fetchFromGitHub {
-    owner = "awslabs";
+    owner = "aws";
     repo = pname;
     rev = "v${version}";
-    sha256 = "063wqpszhfcbxm7a7s6d6kinqd6b6dxij85lk9jjkrslg5fgqbki";
+    sha256 = "1q6kmgwb8jxmc4ijzk9pkqzz8lsbfsv9hyzqvy944w7306zx1r5h";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "C99 implementation of the TLS/SSL protocols";
-    homepage = "https://github.com/awslabs/s2n";
+    homepage = "https://github.com/aws/s2n-tls";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 84adc261adc7057..f767f22c1f6c8f5 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -603,6 +603,7 @@ mapAliases ({
   urxvt_theme_switch = rxvt-unicode-plugins.theme-switch; # added 2020-02-02
   urxvt_vtwheel = rxvt-unicode-plugins.vtwheel; # added 2020-02-02
   urxvt_bidi = rxvt-unicode-plugins.bidi; # added 2020-02-02
+  s2n = s2n-tls; # added 2021-03-03
   s6Dns = s6-dns; # added 2018-07-23
   s6Networking = s6-networking; # added 2018-07-23
   s6LinuxUtils = s6-linux-utils; # added 2018-07-23
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6cb4dc26a297428..875112693171c57 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16822,7 +16822,7 @@ in
 
   graphite2 = callPackage ../development/libraries/silgraphite/graphite2.nix {};
 
-  s2n = callPackage ../development/libraries/s2n { };
+  s2n-tls = callPackage ../development/libraries/s2n-tls { };
 
   simavr = callPackage ../development/tools/simavr {
     avrgcc = pkgsCross.avr.buildPackages.gcc;