diff --git a/news/315.update.rst b/news/315.update.rst
new file mode 100644
index 00000000..916ae74d
--- /dev/null
+++ b/news/315.update.rst
@@ -0,0 +1 @@
+Update hiddenimports for ``pymssql > 2.1.5``.
diff --git a/requirements-test-libraries.txt b/requirements-test-libraries.txt
index f165008c..5b5b5c38 100644
--- a/requirements-test-libraries.txt
+++ b/requirements-test-libraries.txt
@@ -34,6 +34,7 @@ pyexcelerate==0.10.0
 pylint==2.10.2
 pyusb==1.2.1
 pynput==1.7.3
+pymssql==2.2.2
 pystray==0.17.3
 pyzmq==22.2.1
 PyQt5==5.15.4
diff --git a/src/_pyinstaller_hooks_contrib/hooks/stdhooks/hook-pymssql.py b/src/_pyinstaller_hooks_contrib/hooks/stdhooks/hook-pymssql.py
index dd53bf7e..d9c4edb6 100644
--- a/src/_pyinstaller_hooks_contrib/hooks/stdhooks/hook-pymssql.py
+++ b/src/_pyinstaller_hooks_contrib/hooks/stdhooks/hook-pymssql.py
@@ -1,5 +1,5 @@
 # ------------------------------------------------------------------
-# Copyright (c) 2020 PyInstaller Development Team.
+# Copyright (c) 2020-2021 PyInstaller Development Team.
 #
 # This file is distributed under the terms of the GNU General Public
 # License (version 2.0 or later).
@@ -10,4 +10,11 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # ------------------------------------------------------------------
 
-hiddenimports = ['_mssql']
+from PyInstaller.utils.hooks import is_module_satisfies
+
+hiddenimports = ["decimal"]
+# In newer versions of pymssql,  the _mssql was under pymssql
+if is_module_satisfies("pymssql > 2.1.5"):
+    hiddenimports += ["pymssql._mssql", "uuid"]
+else:
+    hiddenimports += ["_mssql"]
diff --git a/src/_pyinstaller_hooks_contrib/tests/test_libraries.py b/src/_pyinstaller_hooks_contrib/tests/test_libraries.py
index 10ddda3e..92a7efb6 100644
--- a/src/_pyinstaller_hooks_contrib/tests/test_libraries.py
+++ b/src/_pyinstaller_hooks_contrib/tests/test_libraries.py
@@ -787,3 +787,10 @@ def test_tableauhyperapi(pyi_builder):
     pyi_builder.test_source("""
         import tableauhyperapi
         """)
+
+
+@importorskip("pymssql")
+def test_pymssql(pyi_builder):
+    pyi_builder.test_source("""
+        import pymssql
+        """)