diff --git a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
index 1112a3215c9..03f8f7b961a 100644
--- a/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi-plus/default.nix
@@ -1,18 +1,19 @@
-{ mkDerivation, lib, fetchFromGitHub, cmake
+{ lib, mkDerivation, fetchFromGitHub, cmake
 , qtbase, qtmultimedia, qtx11extras, qttools, qtwebengine
-, libidn, qca-qt5, libsecret, libXScrnSaver, hunspell
-, libgcrypt, libotr, html-tidy, libgpgerror, libsignal-protocol-c
+, libidn, qca-qt5, libXScrnSaver, hunspell
+, libsecret, libgcrypt, libotr, html-tidy, libgpgerror, libsignal-protocol-c
+, usrsctp
 }:
 
 mkDerivation rec {
   pname = "psi-plus";
-  version = "1.4.1473";
+  version = "1.5.1520";
 
   src = fetchFromGitHub {
     owner = "psi-plus";
     repo = "psi-plus-snapshots";
     rev = version;
-    sha256 = "03f28zwbjn6fnsm0fqg8lmc11rpfdfvzjf7k7xydc3lzy8pxbds5";
+    sha256 = "0cj811qv0n8xck2qrnps2ybzrpvyjqz7nxkyccpaivq6zxj6mc12";
   };
 
   cmakeFlags = [
@@ -23,15 +24,16 @@ mkDerivation rec {
 
   buildInputs = [
     qtbase qtmultimedia qtx11extras qtwebengine
-    libidn qca-qt5 libsecret libXScrnSaver hunspell
-    libgcrypt libotr html-tidy libgpgerror libsignal-protocol-c
+    libidn qca-qt5 libXScrnSaver hunspell
+    libsecret libgcrypt libotr html-tidy libgpgerror libsignal-protocol-c
+    usrsctp
   ];
 
   meta = with lib; {
-    homepage = "https://sourceforge.net/projects/psiplus/";
+    homepage = "https://psi-plus.com";
     description = "XMPP (Jabber) client";
     maintainers = with maintainers; [ orivej misuzu ];
-    license = licenses.gpl2;
+    license = licenses.gpl2Only;
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/usrsctp/default.nix b/pkgs/development/libraries/usrsctp/default.nix
new file mode 100644
index 00000000000..64b1debc0ce
--- /dev/null
+++ b/pkgs/development/libraries/usrsctp/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, lib, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "usrsctp";
+  version = "0.9.5.0";
+
+  src = fetchFromGitHub {
+    owner = "sctplab";
+    repo = "usrsctp";
+    rev = version;
+    sha256 = "10ndzkip8blgkw572n3dicl6mgjaa7kygwn3vls80liq92vf1sa9";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    homepage = "https://github.com/sctplab/usrsctp";
+    description = "A portable SCTP userland stack";
+    maintainers = with maintainers; [ misuzu ];
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f2b673dec48..34f294ed21a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18053,6 +18053,8 @@ in
 
   ustr = callPackage ../development/libraries/ustr { };
 
+  usrsctp = callPackage ../development/libraries/usrsctp { };
+
   usbredir = callPackage ../development/libraries/usbredir { };
 
   uthash = callPackage ../development/libraries/uthash { };