diff --git a/pkgs/by-name/ch/charmcraft/package.nix b/pkgs/by-name/ch/charmcraft/package.nix
index 526da18da7bf..8ffad09d7a11 100644
--- a/pkgs/by-name/ch/charmcraft/package.nix
+++ b/pkgs/by-name/ch/charmcraft/package.nix
@@ -8,7 +8,7 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "charmcraft";
-  version = "3.2.2";
+  version = "3.4.2";
 
   pyproject = true;
 
@@ -16,7 +16,7 @@ python3Packages.buildPythonApplication rec {
     owner = "canonical";
     repo = "charmcraft";
     tag = version;
-    hash = "sha256-2MI2cbAohfTgbilxZcFvmxt/iVjR6zJ2o0gequB//hg=";
+    hash = "sha256-6ucF0iQxQrFFz7jlaktYsB538W8jbX+Sw5hP0/VoYsk=";
   };
 
   postPatch = ''
@@ -35,6 +35,7 @@ python3Packages.buildPythonApplication rec {
     humanize
     jinja2
     jsonschema
+    pip
     pydantic
     python-dateutil
     pyyaml
@@ -51,11 +52,14 @@ python3Packages.buildPythonApplication rec {
   pythonRelaxDeps = [
     "urllib3"
     "craft-application"
+    "pip"
+    "pydantic"
   ];
 
   nativeCheckInputs =
     with python3Packages;
     [
+      freezegun
       hypothesis
       pyfakefs
       pytest-check
diff --git a/pkgs/by-name/ro/rockcraft/package.nix b/pkgs/by-name/ro/rockcraft/package.nix
index 15857bf97414..41ac37d47707 100644
--- a/pkgs/by-name/ro/rockcraft/package.nix
+++ b/pkgs/by-name/ro/rockcraft/package.nix
@@ -11,13 +11,13 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "rockcraft";
-  version = "1.7.0";
+  version = "1.8.0";
 
   src = fetchFromGitHub {
     owner = "canonical";
     repo = "rockcraft";
     rev = version;
-    hash = "sha256-2Bo3qtpSSfNvqszlt9cCc9/rurDNDMySAaqLbvRmjjw=";
+    hash = "sha256-v7biDGgJoQO6cKRXG8xosCgd/mlOUEwHrqcgtL2R5L4=";
   };
 
   pyproject = true;
diff --git a/pkgs/by-name/sn/snapcraft/os-platform.patch b/pkgs/by-name/sn/snapcraft/os-platform.patch
deleted file mode 100644
index d3c914e73c7b..000000000000
--- a/pkgs/by-name/sn/snapcraft/os-platform.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/snapcraft/utils.py b/snapcraft/utils.py
-index 999a64ec..4f38b4cd 100644
---- a/snapcraft/utils.py
-+++ b/snapcraft/utils.py
-@@ -94,7 +94,7 @@ def get_os_platform(
-     release = platform.release()
-     machine = platform.machine()
- 
--    if system == "Linux":
-+    if system == "Linux" and "NixOS" not in platform.version():
-         try:
-             with filepath.open("rt", encoding="utf-8") as release_file:
-                 lines = release_file.readlines()
diff --git a/pkgs/by-name/sn/snapcraft/package.nix b/pkgs/by-name/sn/snapcraft/package.nix
index 02c86328e71b..dd7d02d44775 100644
--- a/pkgs/by-name/sn/snapcraft/package.nix
+++ b/pkgs/by-name/sn/snapcraft/package.nix
@@ -13,7 +13,7 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "snapcraft";
-  version = "8.5.1";
+  version = "8.6.1";
 
   pyproject = true;
 
@@ -21,7 +21,7 @@ python3Packages.buildPythonApplication rec {
     owner = "canonical";
     repo = "snapcraft";
     tag = version;
-    hash = "sha256-7kIVWbVj5qse3JIdlCvRtVUfSa/rSjn4e8HJdVY3sOA=";
+    hash = "sha256-SbxsgvDptkUl8gHAIrJvnzIPOh0/R81n8cgJWBH7BXQ=";
   };
 
   patches = [
@@ -29,11 +29,6 @@ python3Packages.buildPythonApplication rec {
     # path for LXD must be adjusted so that it's at the correct location for LXD
     # on NixOS. This patch will likely never be accepted upstream.
     ./lxd-socket-path.patch
-    # In certain places, Snapcraft expects an /etc/os-release file to determine
-    # host info which doesn't exist in our test environment. This is a
-    # relatively naive patch which helps the test suite pass - without it *many*
-    # of the tests fail. This patch will likely never be accepted upstream.
-    ./os-platform.patch
     # Snapcraft will try to inject itself as a snap *from the host system* into
     # the build system. This patch short-circuits that logic and ensures that
     # Snapcraft is installed on the build system from the snap store - because
@@ -118,6 +113,7 @@ python3Packages.buildPythonApplication rec {
   build-system = with python3Packages; [ setuptools ];
 
   pythonRelaxDeps = [
+    "craft-parts"
     "docutils"
     "jsonschema"
     "pygit2"
diff --git a/pkgs/development/python-modules/craft-application/default.nix b/pkgs/development/python-modules/craft-application/default.nix
index 762f45403da3..2501fe7738fd 100644
--- a/pkgs/development/python-modules/craft-application/default.nix
+++ b/pkgs/development/python-modules/craft-application/default.nix
@@ -30,21 +30,19 @@
 
 buildPythonPackage rec {
   pname = "craft-application";
-  version = "4.8.2";
+  version = "4.9.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.10";
-
   src = fetchFromGitHub {
     owner = "canonical";
     repo = "craft-application";
     tag = version;
-    hash = "sha256-rKeEi9z5eQfjn0Q4FR6CVIz9YDS7Ejg4cqcor5wtz0s=";
+    hash = "sha256-DprItAuGjw8AACeJDrIa6KIWLSyImuWI0qeROpPohtM=";
   };
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace-fail "setuptools==75.2.0" "setuptools"
+      --replace-fail "setuptools==75.8.0" "setuptools"
   '';
 
   build-system = [ setuptools-scm ];
diff --git a/pkgs/development/python-modules/craft-cli/default.nix b/pkgs/development/python-modules/craft-cli/default.nix
index a11a840cca98..1ab9e9145629 100644
--- a/pkgs/development/python-modules/craft-cli/default.nix
+++ b/pkgs/development/python-modules/craft-cli/default.nix
@@ -4,6 +4,8 @@
   fetchFromGitHub,
   nix-update-script,
   platformdirs,
+  jinja2,
+  overrides,
   pyyaml,
   setuptools-scm,
   pytest-check,
@@ -13,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "craft-cli";
-  version = "2.13.0";
+  version = "2.15.0";
 
   pyproject = true;
 
@@ -21,7 +23,7 @@ buildPythonPackage rec {
     owner = "canonical";
     repo = "craft-cli";
     tag = version;
-    hash = "sha256-IqK+eU2z63yDMJrHAhETHWoTz5lWK1er9bwYH9Oml18=";
+    hash = "sha256-L8hOQJhjVAMo/WxEHHEk2QorlSdDFMGdcL/Q3Pv6mT4=";
   };
 
   postPatch = ''
@@ -32,6 +34,8 @@ buildPythonPackage rec {
   build-system = [ setuptools-scm ];
 
   dependencies = [
+    jinja2
+    overrides
     platformdirs
     pyyaml
   ];
diff --git a/pkgs/development/python-modules/craft-parts/bash-path.patch b/pkgs/development/python-modules/craft-parts/bash-path.patch
index 80e63d48003d..f684b3bf6920 100644
--- a/pkgs/development/python-modules/craft-parts/bash-path.patch
+++ b/pkgs/development/python-modules/craft-parts/bash-path.patch
@@ -1,19 +1,8 @@
 diff --git a/craft_parts/executor/step_handler.py b/craft_parts/executor/step_handler.py
-index 404df69..f90e2ac 100644
+index 5eab915..bc26252 100644
 --- a/craft_parts/executor/step_handler.py
 +++ b/craft_parts/executor/step_handler.py
-@@ -243,8 +243,9 @@ class StepHandler:
-                 print(script, file=script_file)
-                 script_file.flush()
-                 script_file.seek(0)
-+                import shutil
-                 process = subprocess.Popen(  # pylint: disable=consider-using-with
--                    ["/bin/bash"],
-+                    [shutil.which("bash")],
-                     stdin=script_file,
-                     cwd=work_dir,
-                     stdout=self._stdout,
-@@ -394,7 +395,8 @@ def _create_and_run_script(
+@@ -445,7 +445,8 @@ def _create_and_run_script(
  ) -> None:
      """Create a script with step-specific commands and execute it."""
      with script_path.open("w") as run_file:
@@ -22,12 +11,28 @@ index 404df69..f90e2ac 100644
 +        print(f"#!{shutil.which('bash')}", file=run_file)
          print("set -euo pipefail", file=run_file)
  
-         if build_environment_script_path:
+         if environment_script_path:
+diff --git a/craft_parts/plugins/java_plugin.py b/craft_parts/plugins/java_plugin.py
+index f2b4064..cb4e9e8 100644
+--- a/craft_parts/plugins/java_plugin.py
++++ b/craft_parts/plugins/java_plugin.py
+@@ -71,9 +71,8 @@ class JavaPlugin(Plugin):
+         return None, ""
+ 
+     def _find_javac(self) -> list[str]:
+-        cmd = ["find", "/usr/lib/jvm", "-path", "*/bin/javac", "-print"]
+-        output = subprocess.check_output(cmd, text=True)
+-        return [x for x in output.split("\n") if len(x) > 0]
++        import shutil
++        return [shutil.which("javac")]
+ 
+     @override
+     def get_build_environment(self) -> dict[str, str]:
 diff --git a/craft_parts/plugins/validator.py b/craft_parts/plugins/validator.py
-index b8d8f11..fce0e72 100644
+index 5b4c735..8ff30c2 100644
 --- a/craft_parts/plugins/validator.py
 +++ b/craft_parts/plugins/validator.py
-@@ -142,9 +142,9 @@ class PluginEnvironmentValidator:
+@@ -141,9 +141,9 @@ class PluginEnvironmentValidator:
              print(self._env, file=env_file)
              print(cmd, file=env_file)
              env_file.flush()
@@ -39,3 +44,56 @@ index b8d8f11..fce0e72 100644
                  check=True,
                  capture_output=True,
                  text=True,
+diff --git a/tests/unit/executor/test_step_handler.py b/tests/unit/executor/test_step_handler.py
+index 4e73c2b..b762fb8 100644
+--- a/tests/unit/executor/test_step_handler.py
++++ b/tests/unit/executor/test_step_handler.py
+@@ -209,9 +209,10 @@ class TestStepHandlerBuiltins:
+ 
+         assert get_mode(build_script_path) == 0o755
+         with open(build_script_path) as file:
++            import shutil
+             assert file.read() == dedent(
+                 f"""\
+-                #!/bin/bash
++                #!{shutil.which('bash')}
+                 set -euo pipefail
+                 source {environment_script_path}
+                 set -x
+diff --git a/tests/unit/utils/test_process.py b/tests/unit/utils/test_process.py
+index 84b29ad..dc2d772 100644
+--- a/tests/unit/utils/test_process.py
++++ b/tests/unit/utils/test_process.py
+@@ -33,7 +33,8 @@ _RUN_TEST_CASES = [
+ 
+ @pytest.mark.parametrize(("out", "err"), _RUN_TEST_CASES)
+ def test_run(out, err):
+-    result = process.run(["/usr/bin/sh", "-c", f"echo {out};sleep 0;echo {err} >&2"])
++    import shutil
++    result = process.run([shutil.which("sh"), "-c", f"echo {out};sleep 0;echo {err} >&2"])
+     assert result.returncode == 0
+     assert result.stdout == (out + "\n").encode()
+     assert result.stderr == (err + "\n").encode()
+@@ -42,8 +43,9 @@ def test_run(out, err):
+ 
+ @pytest.mark.parametrize(("out", "err"), _RUN_TEST_CASES)
+ def test_run_devnull(out, err):
++    import shutil
+     result = process.run(
+-        ["/usr/bin/sh", "-c", f"echo {out};echo {err} >&2"],
++        [shutil.which("sh"), "-c", f"echo {out};echo {err} >&2"],
+         stdout=subprocess.DEVNULL,
+         stderr=subprocess.DEVNULL,
+     )
+@@ -78,9 +80,10 @@ def test_run_selector(out, err, new_dir):
+ 
+     selector.register(sock, selectors.EVENT_READ, accept)
+ 
++    import shutil
+     result = process.run(
+         [
+-            "/usr/bin/sh",
++            shutil.which("sh"),
+             "-c",
+             f"echo {out};sleep 0;echo {err} >&2; echo -n {out}|socat - UNIX-CONNECT:{new_dir}/test.socket",
+         ],
diff --git a/pkgs/development/python-modules/craft-parts/default.nix b/pkgs/development/python-modules/craft-parts/default.nix
index eb462fcb5a98..e7bbf01087cb 100644
--- a/pkgs/development/python-modules/craft-parts/default.nix
+++ b/pkgs/development/python-modules/craft-parts/default.nix
@@ -18,13 +18,17 @@
   jsonschema,
   git,
   squashfsTools,
+  socat,
   setuptools-scm,
   stdenv,
+  ant,
+  maven,
+  jdk,
 }:
 
 buildPythonPackage rec {
   pname = "craft-parts";
-  version = "2.2.2";
+  version = "2.6.0";
 
   pyproject = true;
 
@@ -32,7 +36,7 @@ buildPythonPackage rec {
     owner = "canonical";
     repo = "craft-parts";
     tag = version;
-    hash = "sha256-6ufcay1C2Qv3nnG0augnPWzwBVDMj1ypRwzHRAhHARA=";
+    hash = "sha256-SybDzprUrKeL+Jl7Gm4XYLlvmy056D1OtJB7v/W2flY=";
   };
 
   patches = [ ./bash-path.patch ];
@@ -57,14 +61,18 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "craft_parts" ];
 
   nativeCheckInputs = [
+    ant
     git
     hypothesis
+    jdk
     jsonschema
+    maven
     pytest-check
     pytest-mock
     pytest-subprocess
     pytestCheckHook
     requests-mock
+    socat
     squashfsTools
   ];
 
@@ -80,6 +88,8 @@ buildPythonPackage rec {
     "test_run_prime"
     "test_get_build_packages_with_source_type"
     "test_get_build_packages"
+    # Relies upon certain paths being present that don't make sense on Nix.
+    "test_java_plugin_jre_not_17"
   ];
 
   disabledTestPaths =
diff --git a/pkgs/development/python-modules/craft-providers/default.nix b/pkgs/development/python-modules/craft-providers/default.nix
index 4ba9ad1adf4b..bcdbcf148b43 100644
--- a/pkgs/development/python-modules/craft-providers/default.nix
+++ b/pkgs/development/python-modules/craft-providers/default.nix
@@ -15,12 +15,12 @@
   responses,
   freezegun,
   pytest-subprocess,
-  pytest-logdog,
+  logassert,
 }:
 
 buildPythonPackage rec {
   pname = "craft-providers";
-  version = "2.1.0";
+  version = "2.1.1";
 
   pyproject = true;
 
@@ -28,7 +28,7 @@ buildPythonPackage rec {
     owner = "canonical";
     repo = "craft-providers";
     tag = version;
-    hash = "sha256-+j3uwvecffl8cK+yNidWbL243VnPkX72DMYv8RXMaXE=";
+    hash = "sha256-aW3efKy3c7ZGXS4wsvby0ww3Gwjt+1tMKsJCGprkcZo=";
   };
 
   patches = [
@@ -50,7 +50,7 @@ buildPythonPackage rec {
     # The urllib3 incompat: https://github.com/msabramo/requests-unixsocket/pull/69
     # This is already patched in nixpkgs.
     substituteInPlace pyproject.toml \
-      --replace-fail "setuptools==73.0.1" "setuptools"
+      --replace-fail "setuptools==75.2.0" "setuptools"
   '';
 
   pythonRelaxDeps = [ "requests" ];
@@ -69,10 +69,10 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     freezegun
+    logassert
     pytest-check
     pytest-mock
     pytest-subprocess
-    pytest-logdog
     pytestCheckHook
     responses
   ];
diff --git a/pkgs/development/python-modules/craft-store/default.nix b/pkgs/development/python-modules/craft-store/default.nix
index 4c44e30fa514..14d258fdb4f8 100644
--- a/pkgs/development/python-modules/craft-store/default.nix
+++ b/pkgs/development/python-modules/craft-store/default.nix
@@ -25,7 +25,7 @@
 
 buildPythonPackage rec {
   pname = "craft-store";
-  version = "3.1.0";
+  version = "3.2.1";
 
   pyproject = true;
 
@@ -33,12 +33,12 @@ buildPythonPackage rec {
     owner = "canonical";
     repo = "craft-store";
     tag = version;
-    hash = "sha256-pTG0JJRoHjmcLg+lAgg53rvC+7d3TLlTLe+Rxhy8wqg=";
+    hash = "sha256-rJ7FXHDrJ7w+dFPBs7MhT4iqN6KCWaqrmlCni5kUEKI=";
   };
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace-fail "setuptools==75.6.0" "setuptools"
+      --replace-fail "setuptools==75.8.0" "setuptools"
   '';
 
   build-system = [
diff --git a/pkgs/development/python-modules/logassert/default.nix b/pkgs/development/python-modules/logassert/default.nix
new file mode 100644
index 000000000000..04640d926e9a
--- /dev/null
+++ b/pkgs/development/python-modules/logassert/default.nix
@@ -0,0 +1,42 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  pytestCheckHook,
+  flake8,
+  structlog,
+}:
+
+buildPythonPackage rec {
+  pname = "logassert";
+  version = "8.2";
+
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "facundobatista";
+    repo = "logassert";
+    tag = version;
+    hash = "sha256-wtSX1jAHanHCF58cSNluChWY3lrrsgludnnW+xVJuOo=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "logassert" ];
+
+  nativeCheckInputs = [
+    flake8
+    pytestCheckHook
+    structlog
+  ];
+
+  meta = {
+    description = "A simple Log Assertion mechanism for Python unittests";
+    homepage = "https://github.com/facundobatista/logassert";
+    changelog = "https://github.com/facundobatista/logassert/releases/tag/${version}";
+    license = lib.licenses.lgpl3Only;
+    maintainers = with lib.maintainers; [ jnsgruk ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/development/python-modules/macaroonbakery/default.nix b/pkgs/development/python-modules/macaroonbakery/default.nix
index f1598d432e1b..110bdc0ffd20 100644
--- a/pkgs/development/python-modules/macaroonbakery/default.nix
+++ b/pkgs/development/python-modules/macaroonbakery/default.nix
@@ -44,6 +44,8 @@ buildPythonPackage rec {
     requests
   ];
 
+  pythonRelaxDeps = true;
+
   pythonImportsCheck = [ "macaroonbakery" ];
 
   nativeCheckInputs = [
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6c8a9c3e0318..a128bbcc871e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7748,6 +7748,8 @@ self: super: with self; {
 
   log-symbols = callPackage ../development/python-modules/log-symbols { };
 
+  logassert = callPackage ../development/python-modules/logassert { };
+
   logbook = callPackage ../development/python-modules/logbook { };
 
   logfury = callPackage ../development/python-modules/logfury { };