diff --git a/nixos/lib/make-disk-image.nix b/nixos/lib/make-disk-image.nix
index 7d40d3b5548e..55643facea03 100644
--- a/nixos/lib/make-disk-image.nix
+++ b/nixos/lib/make-disk-image.nix
@@ -278,7 +278,7 @@ let format' = format; in let
       additionalSpace=$(( $(numfmt --from=iec '${additionalSpace}') + reservedSpace ))
 
       # Compute required space in filesystem blocks
-      diskUsage=$(find . ! -type d -exec 'du' '--apparent-size' '--block-size' "${blockSize}" '{}' ';' | cut -f1 | sum_lines)
+      diskUsage=$(find . ! -type d -print0 | du --files0-from=- --apparent-size --block-size "${blockSize}" | cut -f1 | sum_lines)
       # Each inode takes space!
       numInodes=$(find . | wc -l)
       # Convert to bytes, inodes take two blocks each!
diff --git a/pkgs/development/python-modules/dataclasses-json/default.nix b/pkgs/development/python-modules/dataclasses-json/default.nix
index 943339448b41..f97217cd29ea 100644
--- a/pkgs/development/python-modules/dataclasses-json/default.nix
+++ b/pkgs/development/python-modules/dataclasses-json/default.nix
@@ -1,6 +1,6 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 , stringcase
 , typing-inspect
 , marshmallow-enum
@@ -13,9 +13,11 @@ buildPythonPackage rec {
   pname = "dataclasses-json";
   version = "0.5.4";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "6c3976816fd3cdd8db3be2b516b64fc083acd46ac22c680d3dc24cb1d6ae3367";
+  src = fetchFromGitHub {
+    owner = "lidatong";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "193xklf1xrsin7fr24yqx5ckr4m5s9v1bdyr00qr51j74hiy8qsv";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/krakenex/default.nix b/pkgs/development/python-modules/krakenex/default.nix
new file mode 100644
index 000000000000..bf907eb847de
--- /dev/null
+++ b/pkgs/development/python-modules/krakenex/default.nix
@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "krakenex";
+  version = "2.1.0";
+
+  src = fetchFromGitHub {
+    owner = "veox";
+    repo = "python3-krakenex";
+    rev = "v${version}";
+    sha256 = "0j8qmpk6lm57h80i5njhgvm1qnxllm18dlqxfd4kyxdb93si4z2p";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  # no tests implemented
+  doCheck = false;
+
+  pythonImportsCheck = [ "krakenex" ];
+
+  meta = with lib; {
+    description = "Kraken.com cryptocurrency exchange API";
+    homepage = "https://github.com/veox/python3-krakenex";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/pykrakenapi/default.nix b/pkgs/development/python-modules/pykrakenapi/default.nix
new file mode 100644
index 000000000000..e3620e7de6ad
--- /dev/null
+++ b/pkgs/development/python-modules/pykrakenapi/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, krakenex
+, pandas
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pykrakenapi";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "dominiktraxl";
+    repo = "pykrakenapi";
+    rev = "v${version}";
+    sha256 = "0byqa4qk6a8ww1y822izpcfscv4frcfjysw6lx1pqyqjr23bfnbh";
+  };
+
+  propagatedBuildInputs = [
+    krakenex
+    pandas
+  ];
+
+  # tests require network connection
+  doCheck = false;
+
+  pythonImportsCheck = [ "pykrakenapi" ];
+
+  meta = with lib; {
+    description = "Python implementation of the Kraken API";
+    homepage = "https://github.com/dominiktraxl/pykrakenapi";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/pysiaalarm/default.nix b/pkgs/development/python-modules/pysiaalarm/default.nix
new file mode 100644
index 000000000000..206d24a40dc5
--- /dev/null
+++ b/pkgs/development/python-modules/pysiaalarm/default.nix
@@ -0,0 +1,54 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, dataclasses-json
+, pycryptodome
+, setuptools
+, pytest-asyncio
+, pytest-cases
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pysiaalarm";
+  version = "3.0.0";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "b1c3a3d48d399bc91014167f59b23af601044d182db9267c23a9cf3559922122";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "==" ">="
+    substituteInPlace pytest.ini \
+      --replace "--cov pysiaalarm --cov-report term-missing" ""
+  '';
+
+  propagatedBuildInputs = [
+    dataclasses-json
+    pycryptodome
+    setuptools
+  ];
+
+  checkInputs = [
+    pytest-asyncio
+    pytest-cases
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "pysiaalarm"
+    "pysiaalarm.aio"
+  ];
+
+  meta = with lib; {
+    description = "Python package for creating a client that talks with SIA-based alarm systems";
+    homepage = "https://github.com/eavanvalkenburg/pysiaalarm";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/web/twitter-bootstrap/default.nix b/pkgs/development/web/twitter-bootstrap/default.nix
index 65625ca7d21f..8e3fd36b73fa 100644
--- a/pkgs/development/web/twitter-bootstrap/default.nix
+++ b/pkgs/development/web/twitter-bootstrap/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bootstrap";
-  version = "5.0.1";
+  version = "5.0.2";
 
   src = fetchurl {
     url = "https://github.com/twbs/bootstrap/releases/download/v${version}/${pname}-${version}-dist.zip";
-    sha256 = "sha256-eep9s1YxTHeDDh+WhDMENho/N3AfJHVitis22bIGa6w=";
+    sha256 = "sha256-ZvvBNDF9sjcO4JnLPRkzC1B1YG3fcMyjM9qwFlAg9sE=";
   };
 
   nativeBuildInputs = [ unzip ];
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index c17cb8d1714d..d528473e2592 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -432,7 +432,7 @@
     "kodi" = ps: with ps; [ pykodi ];
     "konnected" = ps: with ps; [ aiohttp-cors konnected ];
     "kostal_plenticore" = ps: with ps; [ ]; # missing inputs: kostal_plenticore
-    "kraken" = ps: with ps; [ ]; # missing inputs: krakenex pykrakenapi
+    "kraken" = ps: with ps; [ krakenex pykrakenapi ];
     "kulersky" = ps: with ps; [ pykulersky ];
     "kwb" = ps: with ps; [ ]; # missing inputs: pykwb
     "lacrosse" = ps: with ps; [ pylacrosse ];
@@ -750,7 +750,7 @@
     "shodan" = ps: with ps; [ shodan ];
     "shopping_list" = ps: with ps; [ aiohttp-cors ];
     "sht31" = ps: with ps; [ ]; # missing inputs: Adafruit-GPIO Adafruit-SHT31
-    "sia" = ps: with ps; [ ]; # missing inputs: pysiaalarm
+    "sia" = ps: with ps; [ pysiaalarm ];
     "sigfox" = ps: with ps; [ ];
     "sighthound" = ps: with ps; [ pillow simplehound ];
     "signal_messenger" = ps: with ps; [ ]; # missing inputs: pysignalclirestapi
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index a03f3f6189e4..d688fe721b6a 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -512,6 +512,7 @@ in with py.pkgs; buildPythonApplication rec {
     "knx"
     "kodi"
     "konnected"
+    "kraken"
     "kulersky"
     "lastfm"
     "lcn"
@@ -644,6 +645,7 @@ in with py.pkgs; buildPythonApplication rec {
     "shell_command"
     "shelly"
     "shopping_list"
+    "sia"
     "sigfox"
     "sighthound"
     "simplisafe"
@@ -679,6 +681,7 @@ in with py.pkgs; buildPythonApplication rec {
     "surepetcare"
     "switch"
     "switcher_kis"
+    "syncthing"
     "system_health"
     "system_log"
     "tado"
diff --git a/pkgs/tools/security/exploitdb/default.nix b/pkgs/tools/security/exploitdb/default.nix
index 0e73ac2325ed..d5d9138a15a4 100644
--- a/pkgs/tools/security/exploitdb/default.nix
+++ b/pkgs/tools/security/exploitdb/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "exploitdb";
-  version = "2021-06-23";
+  version = "2021-06-25";
 
   src = fetchFromGitHub {
     owner = "offensive-security";
     repo = pname;
     rev = version;
-    sha256 = "15gxxs5wjxvcjh5q9h17p163byzl33zg5yjlay1f1n2ng8nypygi";
+    sha256 = "sha256-xaRk/H2jITtU+93+7KxrYTTl0cCObvqcd+F9NNhjMjo=";
   };
 
   installPhase = ''
diff --git a/pkgs/tools/security/gpg-tui/default.nix b/pkgs/tools/security/gpg-tui/default.nix
index acef238c1fe6..50a014374f1a 100644
--- a/pkgs/tools/security/gpg-tui/default.nix
+++ b/pkgs/tools/security/gpg-tui/default.nix
@@ -9,16 +9,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "gpg-tui";
-  version = "0.5.0";
+  version = "0.6.0";
 
   src = fetchFromGitHub {
     owner = "orhun";
     repo = "gpg-tui";
     rev = "v${version}";
-    sha256 = "sha256-D3H1tJ+7ObNssrc/eMzYQPxeA8cOpGgRF/5VX2kfha0=";
+    sha256 = "sha256-aKMO/T7jojlQGdtOqsEqTtnSBkVjyFuXmPxvFjVYl4Y=";
   };
 
-  cargoSha256 = "sha256-0NctI16ZsOAEkuCRQ45aOl4p2a3N6Nx88HwtbWht/UY=";
+  cargoSha256 = "sha256-hRpzW2kISPZ2lwun+nqTi8vIv+9j6r/0yI1TjtH+ltw=";
 
   nativeBuildInputs = [
     gpgme # for gpgme-config
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d050c89bfe8e..a528aee7b664 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3884,6 +3884,8 @@ in {
 
   korean-lunar-calendar = callPackage ../development/python-modules/korean-lunar-calendar { };
 
+  krakenex = callPackage ../development/python-modules/krakenex { };
+
   kubernetes = callPackage ../development/python-modules/kubernetes { };
 
   labelbox = callPackage ../development/python-modules/labelbox { };
@@ -5309,6 +5311,8 @@ in {
 
   pyisy = callPackage ../development/python-modules/pyisy { };
 
+  pykrakenapi = callPackage ../development/python-modules/pykrakenapi { };
+
   pynndescent = callPackage ../development/python-modules/pynndescent { };
 
   pynobo = callPackage ../development/python-modules/pynobo { };
@@ -5325,6 +5329,8 @@ in {
 
   pyshark = callPackage ../development/python-modules/pyshark { };
 
+  pysiaalarm = callPackage ../development/python-modules/pysiaalarm { };
+
   pytest-subprocess = callPackage ../development/python-modules/pytest-subprocess { };
 
   python-codon-tables = callPackage ../development/python-modules/python-codon-tables { };