diff --git a/pyproject.toml b/pyproject.toml
index 8f15e8e..5c4d0be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,32 +28,16 @@ maintainers = [
 
 # nottodo: leave everything below as is!
 
-dynamic = ["version", "urls", "entry-points"]
+dynamic = ["version", "urls", "entry-points", "classifiers"]
 readme = "README.rst"
 license = { file="LICENSE" }
 requires-python = ">=3.8"
 
-classifiers = [
-    "Development Status :: 5 - Production/Stable",
-    "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: MIT License",
-    "Natural Language :: English",
-    "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Topic :: Scientific/Engineering :: Human Machine Interfaces",
-    "Topic :: Scientific/Engineering :: Visualization",
-    "Topic :: Software Development :: Libraries :: Python Modules",
-    "Topic :: Software Development :: User Interfaces",
-]
-
 [build-system]
 requires = [
     "hatchling>=1.9.0",
     "hatch-vcs", "toml",
-    "pymodaq_utils>=0.0.6",
+    "pymodaq_utils>=5.3.6",
 ]
 build-backend = "hatchling.build"
 
@@ -62,3 +46,17 @@ build-backend = "hatchling.build"
 [tool.hatch.version]
 source = "vcs"
 
+[tool.pymodaq]
+# the "Operating System" and "Programming Language :: Python :: 3.x" classifiers are added when building the package,
+# from supported_platforms in your instrument plugins and from requires-python
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Topic :: Scientific/Engineering :: Human Machine Interfaces",
+    "Topic :: Scientific/Engineering :: Visualization",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Topic :: Software Development :: User Interfaces",
+]
+
diff --git a/src/pymodaq_plugins_crystal_technology/daq_move_plugins/daq_move_AOTF.py b/src/pymodaq_plugins_crystal_technology/daq_move_plugins/daq_move_AOTF.py
index e8ab422..25163ac 100644
--- a/src/pymodaq_plugins_crystal_technology/daq_move_plugins/daq_move_AOTF.py
+++ b/src/pymodaq_plugins_crystal_technology/daq_move_plugins/daq_move_AOTF.py
@@ -16,6 +16,8 @@ class DAQ_Move_AOTF(DAQ_Move_base):
         The particular object that allow the communication with the hardware, in general a python wrapper around the
          hardware library
     """
+
+    supported_platforms = ('win32',)  # a Windows DLL (AotfLibrary.dll)
     _controller_units = 'nm' #here the units could be either a wavelength in nm or a percentage to set the amplitude
     is_multiaxes = True
     axes_names = [str(ind) for ind in range(8)]  # There are 8 channels controllable by the controller