diff --git a/providers/microsoft/winrm/README.rst b/providers/microsoft/winrm/README.rst
index 2ce40f86a578d..70977ffbcd1af 100644
--- a/providers/microsoft/winrm/README.rst
+++ b/providers/microsoft/winrm/README.rst
@@ -56,6 +56,7 @@ PIP package                                 Version required
 ``apache-airflow``                          ``>=2.11.0``
 ``apache-airflow-providers-common-compat``  ``>=1.12.0``
 ``pywinrm``                                 ``>=0.5.0``
+``pyspnego``                                ``>=0.4.0``
 ==========================================  ==================
 
 The changelog for the provider package can be found in the
diff --git a/providers/microsoft/winrm/docs/index.rst b/providers/microsoft/winrm/docs/index.rst
index 2a0e46dfcfb54..61e7d425d7fe0 100644
--- a/providers/microsoft/winrm/docs/index.rst
+++ b/providers/microsoft/winrm/docs/index.rst
@@ -102,6 +102,7 @@ PIP package                                 Version required
 ``apache-airflow``                          ``>=2.11.0``
 ``apache-airflow-providers-common-compat``  ``>=1.12.0``
 ``pywinrm``                                 ``>=0.5.0``
+``pyspnego``                                ``>=0.4.0``
 ==========================================  ==================
 
 Downloading official packages
diff --git a/providers/microsoft/winrm/pyproject.toml b/providers/microsoft/winrm/pyproject.toml
index 4efc46026ac99..9c3ed8b10f985 100644
--- a/providers/microsoft/winrm/pyproject.toml
+++ b/providers/microsoft/winrm/pyproject.toml
@@ -62,6 +62,10 @@ dependencies = [
     "apache-airflow>=2.11.0",
     "apache-airflow-providers-common-compat>=1.12.0",
     "pywinrm>=0.5.0",
+    # pywinrm imports ``spnego.ContextProxy``, which pyspnego only exposes from 0.4.0 onwards.
+    # Floor it directly so lowest-dependency resolution does not pick a pre-0.4.0 pyspnego
+    # (which fails at import time with ``module 'spnego' has no attribute 'ContextProxy'``).
+    "pyspnego>=0.4.0",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index 939b97ad4cc26..ab695b6fea609 100644
--- a/uv.lock
+++ b/uv.lock
@@ -6386,6 +6386,7 @@ source = { editable = "providers/microsoft/winrm" }
 dependencies = [
     { name = "apache-airflow" },
     { name = "apache-airflow-providers-common-compat" },
+    { name = "pyspnego" },
     { name = "pywinrm" },
 ]
 
@@ -6404,6 +6405,7 @@ docs = [
 requires-dist = [
     { name = "apache-airflow", editable = "." },
     { name = "apache-airflow-providers-common-compat", editable = "providers/common/compat" },
+    { name = "pyspnego", specifier = ">=0.4.0" },
     { name = "pywinrm", specifier = ">=0.5.0" },
 ]