diff --git a/pkgs/development/python-modules/simple-rlp/default.nix b/pkgs/development/python-modules/simple-rlp/default.nix
new file mode 100644
index 000000000000..29a4e957e84c
--- /dev/null
+++ b/pkgs/development/python-modules/simple-rlp/default.nix
@@ -0,0 +1,23 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "simple-rlp";
+  version = "0.1.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "5c4a9c58f1b742f7fa8af0fe4ea6ff9fb02294ae041912f771570dfaf339d2b9";
+  };
+
+  pythonImportsCheck = [ "rlp" ];
+
+  meta = with lib; {
+    description = "Simple RLP (Recursive Length Prefix)";
+    homepage = "https://github.com/SamuelHaidu/simple-rlp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ prusnak ];
+  };
+}
diff --git a/pkgs/development/python-modules/trezor/default.nix b/pkgs/development/python-modules/trezor/default.nix
index f58c24e5008c..82ddac3b620b 100644
--- a/pkgs/development/python-modules/trezor/default.nix
+++ b/pkgs/development/python-modules/trezor/default.nix
@@ -15,8 +15,8 @@
 , protobuf
 , pyblake2
 , requests
-, rlp
 , shamir-mnemonic
+, simple-rlp
 , typing-extensions
 , trezor-udev-rules
 , pytestCheckHook
@@ -24,13 +24,13 @@
 
 buildPythonPackage rec {
   pname = "trezor";
-  version = "0.13.0";
+  version = "0.13.2";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4571aa09dbfe88b31eb2f16c7c359b4809621b75a04b7b5bc9dbffe17046c99a";
+    sha256 = "cdb696fd01dad6a0cb23b61ea3a4867bb51cecda5cb2a77366fb6a53bff58ac4";
   };
 
   nativeBuildInputs = [ installShellFiles ];
@@ -47,8 +47,8 @@ buildPythonPackage rec {
     protobuf
     pyblake2
     requests
-    rlp
     shamir-mnemonic
+    simple-rlp
     typing-extensions
   ] ++ lib.optionals stdenv.isLinux [
     trezor-udev-rules
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3eb09abe3e4e..767e69eb54ba 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9738,6 +9738,8 @@ in {
 
   simple-rest-client = callPackage ../development/python-modules/simple-rest-client { };
 
+  simple-rlp = callPackage ../development/python-modules/simple-rlp { };
+
   simple-salesforce = callPackage ../development/python-modules/simple-salesforce { };
 
   simple-websocket-server = callPackage ../development/python-modules/simple-websocket-server { };