diff --git a/lib/importlib_resources/_common.py b/lib/importlib_resources/_common.py
index 9f19784d..6a338c61 100644
--- a/lib/importlib_resources/_common.py
+++ b/lib/importlib_resources/_common.py
@@ -203,5 +203,6 @@ def _write_contents(target, source):
         for item in source.iterdir():
             _write_contents(child, item)
     else:
-        child.open('wb').write(source.read_bytes())
+        with child.open('wb') as fp:
+            fp.write(source.read_bytes())
     return child
diff --git a/package/requirements-package.txt b/package/requirements-package.txt
index 7dc0227b..6260d288 100644
--- a/package/requirements-package.txt
+++ b/package/requirements-package.txt
@@ -1,6 +1,6 @@
 apscheduler==3.9.1.post1
 importlib-metadata==5.0.0
-importlib-resources==5.10.0
+importlib-resources==5.10.1
 pyinstaller==5.6.2
 pyopenssl==22.1.0
 pycryptodomex==3.15.0
diff --git a/requirements.txt b/requirements.txt
index 647d8dd7..6e82f4e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ html5lib==1.1
 httpagentparser==1.9.5
 idna==3.4
 importlib-metadata==5.0.0
-importlib-resources==5.10.0
+importlib-resources==5.10.1
 git+https://github.com/Tautulli/ipwhois.git@master#egg=ipwhois
 IPy==1.01
 Mako==1.2.4