diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 5491ce5e9..992965c8d 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -12,7 +12,7 @@ dependencies:
 - h5io_browser =0.1.6
 - h5py =3.12.1
 - jinja2 =3.1.5
-- monty =2024.12.10
+- monty =2025.1.9
 - numpy =2.2.2
 - pandas =2.2.3
 - pint =0.24.4
diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index 15810b10d..47a232dc0 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -4,7 +4,7 @@ dependencies:
 - cloudpickle =3.1.1
 - h5io_browser =0.1.6
 - h5py =3.12.1
-- monty =2024.12.10
+- monty =2025.1.9
 - numpy =2.2.2
 - pandas =2.2.3
 - psutil =6.1.1
diff --git a/.ci_support/environment-old.yml b/.ci_support/environment-old.yml
index 9df7492d0..122806c14 100644
--- a/.ci_support/environment-old.yml
+++ b/.ci_support/environment-old.yml
@@ -6,7 +6,7 @@ dependencies:
 - h5io_browser =0.0.14
 - h5py =3.6.0
 - jinja2 =2.11.3
-- monty =2021.3.3
+- monty =2025.1.3
 - numpy =1.23.5
 - pandas =2.0.0
 - pint =0.18
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 1ae4791b7..78f764214 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -10,7 +10,7 @@ dependencies:
 - h5io_browser =0.1.6
 - h5py =3.12.1
 - jinja2 =3.1.5
-- monty =2024.12.10
+- monty =2025.1.9
 - numpy =2.2.2
 - pandas =2.2.3
 - pint =0.24.4
diff --git a/binder/environment.yml b/binder/environment.yml
index 981963398..50d76a9c7 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -9,7 +9,7 @@ dependencies:
 - h5io_browser =0.1.6
 - h5py =3.12.1
 - jinja2 =3.1.5
-- monty =2024.12.10
+- monty =2025.1.9
 - numpy =2.2.2
 - pandas =2.2.3
 - pint =0.24.4
diff --git a/pyproject.toml b/pyproject.toml
index 0dce7da3e..582760c66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "h5io_browser==0.1.6",
     "h5py==3.12.1",
     "numpy==2.2.2",
-    "monty==2024.12.10",
+    "monty==2025.1.9",
     "pandas==2.2.3",
     "psutil==6.1.1",
     "pyfileindex==0.0.33",
diff --git a/tests/unit/job/test_genericJob.py b/tests/unit/job/test_genericJob.py
index 256de7fcf..37495ceeb 100644
--- a/tests/unit/job/test_genericJob.py
+++ b/tests/unit/job/test_genericJob.py
@@ -98,7 +98,7 @@ def test_compress_file_list(self):
         os.makedirs(ham.working_directory, exist_ok=True)
         for file in file_lst:
             with open(os.path.join(ham.working_directory, file), "w") as f:
-                f.writelines(["content: " + file])
+                f.writelines(["content: " + file + "\n"])
         for file in file_lst:
             self.assertTrue(file in ham.files.list())
         for file in file_lst:
@@ -115,7 +115,10 @@ def test_compress_file_list(self):
         )
         with contextlib.redirect_stdout(io.StringIO(newline=os.linesep)) as f:
             ham.files.file_to_compress.tail()
-        self.assertEqual(f.getvalue().replace("\r", ""), "content: file_to_compress\n")
+        self.assertEqual(
+            f.getvalue().replace("\r", "").replace("\n", ""),
+            "content: file_to_compress",
+        )
         ham.remove()
 
     def test_job_name(self):
@@ -762,7 +765,7 @@ def test_tail(self):
         job.decompress()
         content = ["Content", "More", "Lines"]
         with open(os.path.join(job.working_directory, "test_file"), "w") as f:
-            f.write(os.linesep.join(content))
+            f.write(os.linesep.join(content) + "\n")
 
         for i in range(len(content)):
             with self.subTest(i=i):