diff --git a/environment.yml b/environment.yml
index 2580056c..e15b21d0 100644
--- a/environment.yml
+++ b/environment.yml
@@ -11,7 +11,7 @@ dependencies:
   - pydantic >=2, <3
   - pip
   - pyyaml
-  - copernicusmarine >= 2
+  - copernicusmarine >= 2.2.2
   - openpyxl
   - yaspin
   - textual
diff --git a/pyproject.toml b/pyproject.toml
index e06eaf44..9862463b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "numpy >=1, < 2",
     "pydantic >=2, <3",
     "PyYAML",
-    "copernicusmarine >= 2",
+    "copernicusmarine >= 2.2.2",
     "yaspin",
     "textual",
 ]
diff --git a/tests/make_realistic/test_ctd_make_realistic.py b/tests/make_realistic/test_ctd_make_realistic.py
index dc96393a..d1ad6c1c 100644
--- a/tests/make_realistic/test_ctd_make_realistic.py
+++ b/tests/make_realistic/test_ctd_make_realistic.py
@@ -1,12 +1,3 @@
-import seabird
+"""Test ctd_make_realistic."""
 
-from virtualship.make_realistic import ctd_make_realistic
-
-
-def test_ctd_make_realistic(tmpdir) -> None:
-    # add noise and convert to cnv
-    files = ctd_make_realistic("ctd.zarr", out_dir=tmpdir, prefix="CTD_")
-
-    # check if cnv is ok and can be loaded
-    for file in files:
-        seabird.fCNV(file)
+# TODO create new test now that seabird appears inactive (see #200)