diff --git a/pkgs/data/misc/libkkc-data/default.nix b/pkgs/data/misc/libkkc-data/default.nix
index 7fcd2fbf516f..516dd61c60f3 100644
--- a/pkgs/data/misc/libkkc-data/default.nix
+++ b/pkgs/data/misc/libkkc-data/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, python2, libkkc }:
+{ lib, stdenv, fetchurl, fetchpatch, python3, libkkc }:
 
 stdenv.mkDerivation rec {
   pname = "libkkc-data";
@@ -9,7 +9,16 @@ stdenv.mkDerivation rec {
     sha256 = "16avb50jasq2f1n9xyziky39dhlnlad0991pisk3s11hl1aqfrwy";
   };
 
-  nativeBuildInputs = [ python2.pkgs.marisa ];
+  patches = [
+    (fetchpatch {
+      name = "build-python3.patch";
+      url = "https://github.com/ueno/libkkc/commit/ba1c1bd3eb86d887fc3689c3142732658071b5f7.patch";
+      relative = "data/templates/libkkc-data";
+      hash = "sha256-q4zUclJtDQ1E5v2PW00zRZz6GXllLUcp2h3tugufrRU=";
+    })
+  ];
+
+  nativeBuildInputs = [ python3.pkgs.marisa ];
 
   strictDeps = true;
 
diff --git a/pkgs/development/python-modules/marisa/default.nix b/pkgs/development/python-modules/marisa/default.nix
new file mode 100644
index 000000000000..21a457b5b34e
--- /dev/null
+++ b/pkgs/development/python-modules/marisa/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, marisa
+, swig
+}:
+
+buildPythonPackage rec {
+  pname = "marisa";
+  inherit (marisa) src version;
+
+  nativeBuildInputs = [ swig ];
+
+  buildInputs = [ marisa ];
+
+  preBuild = ''
+    make -C bindings swig-python
+
+    cd bindings/python
+  '';
+
+  # upstream has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "marisa" ];
+
+  meta = {
+    description = "Python bindings for marisa";
+    homepage = "https://github.com/s-yata/marisa-trie";
+    license = with lib.licenses; [ bsd2 lgpl21Plus ];
+    maintainers = with lib.maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/tools/inputmethods/libkkc/default.nix b/pkgs/tools/inputmethods/libkkc/default.nix
index 0252efa3cdaa..06bc775689f2 100644
--- a/pkgs/tools/inputmethods/libkkc/default.nix
+++ b/pkgs/tools/inputmethods/libkkc/default.nix
@@ -1,5 +1,5 @@
-{ lib, stdenv, fetchurl
-, vala, gobject-introspection, intltool, python2Packages, glib
+{ lib, stdenv, fetchurl, fetchpatch
+, vala, gobject-introspection, intltool, python3, glib
 , pkg-config
 , libgee, json-glib, marisa, libkkc-data
 }:
@@ -13,9 +13,17 @@ stdenv.mkDerivation rec {
     sha256 = "89b07b042dae5726d306aaa1296d1695cb75c4516f4b4879bc3781fe52f62aef";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "build-python3.patch";
+      url = "https://github.com/ueno/libkkc/commit/ba1c1bd3eb86d887fc3689c3142732658071b5f7.patch";
+      hash = "sha256-4IVpcJJFrxmxJGNiRHteleAa6trOwbvMHRTE/qyjOPY=";
+    })
+  ];
+
   nativeBuildInputs = [
     vala gobject-introspection
-    python2Packages.python python2Packages.marisa
+    python3 python3.pkgs.marisa
     intltool glib pkg-config
   ];
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e37a723a121c..8e25b0335c61 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5535,6 +5535,10 @@ self: super: with self; {
 
   mariadb = callPackage ../development/python-modules/mariadb { };
 
+  marisa = callPackage ../development/python-modules/marisa {
+    inherit (pkgs) marisa;
+  };
+
   marisa-trie = callPackage ../development/python-modules/marisa-trie { };
 
   markdown2 = callPackage ../development/python-modules/markdown2 { };